21126752000

素因数分解:

$2^8\times 5^3\times {\mathrm{397}}^1\times {\mathrm{1663}}^1$

素因数の和:2091

約数の個数: 144

約数和(自身を含む): 52793674752

約数和(自身を除く): 31666922752

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 125, 128, 160, 200, 250, 256, 320, 397, 400, 500, 640, 794, 800, 1000, 1280, 1588, 1600, 1663, 1985, 2000, 3176, 3200, 3326, 3970, 4000, 6352, 6400, 6652, 7940, 8000, 8315, 9925, 12704, 13304, 15880, 16000, 16630, 19850, 25408, 26608, 31760, 32000, 33260, 39700, 41575, 49625, 50816, 53216, 63520, 66520, 79400, 83150, 99250, 101632, 106432, 127040, 133040, 158800, 166300, 198500, 207875, 212864, 254080, 266080, 317600, 332600, 397000, 415750, 425728, 508160, 532160, 635200, 660211, 665200, 794000, 831500, 1064320, 1270400, 1320422, 1330400, 1588000, 1663000, 2128640, 2540800, 2640844, 2660800, 3176000, 3301055, 3326000, 5281688, 5321600, 6352000, 6602110, 6652000, 10563376, 10643200, 12704000, 13204220, 13304000, 16505275, 21126752, 26408440, 26608000, 33010550, 42253504, 52816880, 53216000, 66021100, 82526375, 84507008, 105633760, 132042200, 165052750, 169014016, 211267520, 264084400, 330105500, 422535040, 528168800, 660211000, 845070080, 1056337600, 1320422000, 2112675200, 2640844000, 4225350400, 5281688000, 10563376000, 21126752000]

約数ペア:

[(1, 21126752000), (2, 10563376000), (4, 5281688000), (5, 4225350400), (8, 2640844000), (10, 2112675200), (16, 1320422000), (20, 1056337600), (25, 845070080), (32, 660211000), (40, 528168800), (50, 422535040), (64, 330105500), (80, 264084400), (100, 211267520), (125, 169014016), (128, 165052750), (160, 132042200), (200, 105633760), (250, 84507008), (256, 82526375), (320, 66021100), (397, 53216000), (400, 52816880), (500, 42253504), (640, 33010550), (794, 26608000), (800, 26408440), (1000, 21126752), (1280, 16505275), (1588, 13304000), (1600, 13204220), (1663, 12704000), (1985, 10643200), (2000, 10563376), (3176, 6652000), (3200, 6602110), (3326, 6352000), (3970, 5321600), (4000, 5281688), (6352, 3326000), (6400, 3301055), (6652, 3176000), (7940, 2660800), (8000, 2640844), (8315, 2540800), (9925, 2128640), (12704, 1663000), (13304, 1588000), (15880, 1330400), (16000, 1320422), (16630, 1270400), (19850, 1064320), (25408, 831500), (26608, 794000), (31760, 665200), (32000, 660211), (33260, 635200), (39700, 532160), (41575, 508160), (49625, 425728), (50816, 415750), (53216, 397000), (63520, 332600), (66520, 317600), (79400, 266080), (83150, 254080), (99250, 212864), (101632, 207875), (106432, 198500), (127040, 166300), (133040, 158800)]