42691870

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{1667}}^1$

素因数の和:1884

約数の個数: 32

約数和(自身を含む): 83226528

約数和(自身を除く): 40534658

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 197, 394, 985, 1667, 1970, 2561, 3334, 5122, 8335, 12805, 16670, 21671, 25610, 43342, 108355, 216710, 328399, 656798, 1641995, 3283990, 4269187, 8538374, 21345935, 42691870]

約数ペア:

[(1, 42691870), (2, 21345935), (5, 8538374), (10, 4269187), (13, 3283990), (26, 1641995), (65, 656798), (130, 328399), (197, 216710), (394, 108355), (985, 43342), (1667, 25610), (1970, 21671), (2561, 16670), (3334, 12805), (5122, 8335)]