64155620

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{188693}}^1$

素因数の和:188719

約数の個数: 24

約数和(自身を含む): 142652664

約数和(自身を除く): 78497044

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 188693, 377386, 754772, 943465, 1886930, 3207781, 3773860, 6415562, 12831124, 16038905, 32077810, 64155620]

約数ペア:

[(1, 64155620), (2, 32077810), (4, 16038905), (5, 12831124), (10, 6415562), (17, 3773860), (20, 3207781), (34, 1886930), (68, 943465), (85, 754772), (170, 377386), (340, 188693)]