8658400

素因数分解:

$2^5\times 5^2\times {\mathrm{79}}^1\times {\mathrm{137}}^1$

素因数の和:236

約数の個数: 72

約数和(自身を含む): 21561120

約数和(自身を除く): 12902720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 79, 80, 100, 137, 158, 160, 200, 274, 316, 395, 400, 548, 632, 685, 790, 800, 1096, 1264, 1370, 1580, 1975, 2192, 2528, 2740, 3160, 3425, 3950, 4384, 5480, 6320, 6850, 7900, 10823, 10960, 12640, 13700, 15800, 21646, 21920, 27400, 31600, 43292, 54115, 54800, 63200, 86584, 108230, 109600, 173168, 216460, 270575, 346336, 432920, 541150, 865840, 1082300, 1731680, 2164600, 4329200, 8658400]

約数ペア:

[(1, 8658400), (2, 4329200), (4, 2164600), (5, 1731680), (8, 1082300), (10, 865840), (16, 541150), (20, 432920), (25, 346336), (32, 270575), (40, 216460), (50, 173168), (79, 109600), (80, 108230), (100, 86584), (137, 63200), (158, 54800), (160, 54115), (200, 43292), (274, 31600), (316, 27400), (395, 21920), (400, 21646), (548, 15800), (632, 13700), (685, 12640), (790, 10960), (800, 10823), (1096, 7900), (1264, 6850), (1370, 6320), (1580, 5480), (1975, 4384), (2192, 3950), (2528, 3425), (2740, 3160)]