2315980

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{2693}}^1$

素因数の和:2745

約数の個数: 24

約数和(自身を含む): 4978512

約数和(自身を除く): 2662532

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 2693, 5386, 10772, 13465, 26930, 53860, 115799, 231598, 463196, 578995, 1157990, 2315980]

約数ペア:

[(1, 2315980), (2, 1157990), (4, 578995), (5, 463196), (10, 231598), (20, 115799), (43, 53860), (86, 26930), (172, 13465), (215, 10772), (430, 5386), (860, 2693)]