91560440

素因数分解:

$2^3\times 5^1\times {\mathrm{641}}^1\times {\mathrm{3571}}^1$

素因数の和:4223

約数の個数: 32

約数和(自身を含む): 206390160

約数和(自身を除く): 114829720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 641, 1282, 2564, 3205, 3571, 5128, 6410, 7142, 12820, 14284, 17855, 25640, 28568, 35710, 71420, 142840, 2289011, 4578022, 9156044, 11445055, 18312088, 22890110, 45780220, 91560440]

約数ペア:

[(1, 91560440), (2, 45780220), (4, 22890110), (5, 18312088), (8, 11445055), (10, 9156044), (20, 4578022), (40, 2289011), (641, 142840), (1282, 71420), (2564, 35710), (3205, 28568), (3571, 25640), (5128, 17855), (6410, 14284), (7142, 12820)]