2081588480

素因数分解:

$2^8\times 5^1\times {\mathrm{499}}^1\times {\mathrm{3259}}^1$

素因数の和:3779

約数の個数: 72

約数和(自身を含む): 4997580000

約数和(自身を除く): 2915991520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 499, 640, 998, 1280, 1996, 2495, 3259, 3992, 4990, 6518, 7984, 9980, 13036, 15968, 16295, 19960, 26072, 31936, 32590, 39920, 52144, 63872, 65180, 79840, 104288, 127744, 130360, 159680, 208576, 260720, 319360, 417152, 521440, 638720, 834304, 1042880, 1626241, 2085760, 3252482, 4171520, 6504964, 8131205, 13009928, 16262410, 26019856, 32524820, 52039712, 65049640, 104079424, 130099280, 208158848, 260198560, 416317696, 520397120, 1040794240, 2081588480]

約数ペア:

[(1, 2081588480), (2, 1040794240), (4, 520397120), (5, 416317696), (8, 260198560), (10, 208158848), (16, 130099280), (20, 104079424), (32, 65049640), (40, 52039712), (64, 32524820), (80, 26019856), (128, 16262410), (160, 13009928), (256, 8131205), (320, 6504964), (499, 4171520), (640, 3252482), (998, 2085760), (1280, 1626241), (1996, 1042880), (2495, 834304), (3259, 638720), (3992, 521440), (4990, 417152), (6518, 319360), (7984, 260720), (9980, 208576), (13036, 159680), (15968, 130360), (16295, 127744), (19960, 104288), (26072, 79840), (31936, 65180), (32590, 63872), (39920, 52144)]