64550900

素因数分解:

$2^2\times 5^2\times {\mathrm{79}}^1\times {\mathrm{8171}}^1$

素因数の和:8264

約数の個数: 36

約数和(自身を含む): 141865920

約数和(自身を除く): 77315020

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 79, 100, 158, 316, 395, 790, 1580, 1975, 3950, 7900, 8171, 16342, 32684, 40855, 81710, 163420, 204275, 408550, 645509, 817100, 1291018, 2582036, 3227545, 6455090, 12910180, 16137725, 32275450, 64550900]

約数ペア:

[(1, 64550900), (2, 32275450), (4, 16137725), (5, 12910180), (10, 6455090), (20, 3227545), (25, 2582036), (50, 1291018), (79, 817100), (100, 645509), (158, 408550), (316, 204275), (395, 163420), (790, 81710), (1580, 40855), (1975, 32684), (3950, 16342), (7900, 8171)]