97531820

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{61729}}^1$

素因数の和:61817

約数の個数: 24

約数和(自身を含む): 207412800

約数和(自身を除く): 109880980

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 61729, 123458, 246916, 308645, 617290, 1234580, 4876591, 9753182, 19506364, 24382955, 48765910, 97531820]

約数ペア:

[(1, 97531820), (2, 48765910), (4, 24382955), (5, 19506364), (10, 9753182), (20, 4876591), (79, 1234580), (158, 617290), (316, 308645), (395, 246916), (790, 123458), (1580, 61729)]