13955240

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{571}}^1$

素因数の和:642

約数の個数: 64

約数和(自身を含む): 34594560

約数和(自身を除く): 20639320

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 47, 52, 65, 94, 104, 130, 188, 235, 260, 376, 470, 520, 571, 611, 940, 1142, 1222, 1880, 2284, 2444, 2855, 3055, 4568, 4888, 5710, 6110, 7423, 11420, 12220, 14846, 22840, 24440, 26837, 29692, 37115, 53674, 59384, 74230, 107348, 134185, 148460, 214696, 268370, 296920, 348881, 536740, 697762, 1073480, 1395524, 1744405, 2791048, 3488810, 6977620, 13955240]

約数ペア:

[(1, 13955240), (2, 6977620), (4, 3488810), (5, 2791048), (8, 1744405), (10, 1395524), (13, 1073480), (20, 697762), (26, 536740), (40, 348881), (47, 296920), (52, 268370), (65, 214696), (94, 148460), (104, 134185), (130, 107348), (188, 74230), (235, 59384), (260, 53674), (376, 37115), (470, 29692), (520, 26837), (571, 24440), (611, 22840), (940, 14846), (1142, 12220), (1222, 11420), (1880, 7423), (2284, 6110), (2444, 5710), (2855, 4888), (3055, 4568)]