2590120

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{293}}^1$

素因数の和:334

約数の個数: 64

約数和(自身を含む): 6667920

約数和(自身を除く): 4077800

約数列:

[1, 2, 4, 5, 8, 10, 13, 17, 20, 26, 34, 40, 52, 65, 68, 85, 104, 130, 136, 170, 221, 260, 293, 340, 442, 520, 586, 680, 884, 1105, 1172, 1465, 1768, 2210, 2344, 2930, 3809, 4420, 4981, 5860, 7618, 8840, 9962, 11720, 15236, 19045, 19924, 24905, 30472, 38090, 39848, 49810, 64753, 76180, 99620, 129506, 152360, 199240, 259012, 323765, 518024, 647530, 1295060, 2590120]

約数ペア:

[(1, 2590120), (2, 1295060), (4, 647530), (5, 518024), (8, 323765), (10, 259012), (13, 199240), (17, 152360), (20, 129506), (26, 99620), (34, 76180), (40, 64753), (52, 49810), (65, 39848), (68, 38090), (85, 30472), (104, 24905), (130, 19924), (136, 19045), (170, 15236), (221, 11720), (260, 9962), (293, 8840), (340, 7618), (442, 5860), (520, 4981), (586, 4420), (680, 3809), (884, 2930), (1105, 2344), (1172, 2210), (1465, 1768)]