89148040

素因数分解:

$2^3\times 5^1\times {\mathrm{431}}^1\times {\mathrm{5171}}^1$

素因数の和:5613

約数の個数: 32

約数和(自身を含む): 201087360

約数和(自身を除く): 111939320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 431, 862, 1724, 2155, 3448, 4310, 5171, 8620, 10342, 17240, 20684, 25855, 41368, 51710, 103420, 206840, 2228701, 4457402, 8914804, 11143505, 17829608, 22287010, 44574020, 89148040]

約数ペア:

[(1, 89148040), (2, 44574020), (4, 22287010), (5, 17829608), (8, 11143505), (10, 8914804), (20, 4457402), (40, 2228701), (431, 206840), (862, 103420), (1724, 51710), (2155, 41368), (3448, 25855), (4310, 20684), (5171, 17240), (8620, 10342)]