85371025

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1$

素因数の和:214

約数の個数: 48

約数和(自身を含む): 118318320

約数和(自身を除く): 32947295

約数列:

[1, 5, 17, 25, 37, 61, 85, 89, 185, 305, 425, 445, 629, 925, 1037, 1513, 1525, 2225, 2257, 3145, 3293, 5185, 5429, 7565, 11285, 15725, 16465, 25925, 27145, 37825, 38369, 55981, 56425, 82325, 92293, 135725, 191845, 200873, 279905, 461465, 959225, 1004365, 1399525, 2307325, 3414841, 5021825, 17074205, 85371025]

約数ペア:

[(1, 85371025), (5, 17074205), (17, 5021825), (25, 3414841), (37, 2307325), (61, 1399525), (85, 1004365), (89, 959225), (185, 461465), (305, 279905), (425, 200873), (445, 191845), (629, 135725), (925, 92293), (1037, 82325), (1513, 56425), (1525, 55981), (2225, 38369), (2257, 37825), (3145, 27145), (3293, 25925), (5185, 16465), (5429, 15725), (7565, 11285)]