39567940

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^2\times {\mathrm{317}}^1$

素因数の和:484

約数の個数: 36

約数和(自身を含む): 84423276

約数和(自身を除く): 44855336

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 317, 395, 634, 790, 1268, 1580, 1585, 3170, 6241, 6340, 12482, 24964, 25043, 31205, 50086, 62410, 100172, 124820, 125215, 250430, 500860, 1978397, 3956794, 7913588, 9891985, 19783970, 39567940]

約数ペア:

[(1, 39567940), (2, 19783970), (4, 9891985), (5, 7913588), (10, 3956794), (20, 1978397), (79, 500860), (158, 250430), (316, 125215), (317, 124820), (395, 100172), (634, 62410), (790, 50086), (1268, 31205), (1580, 25043), (1585, 24964), (3170, 12482), (6241, 6340)]