8885890

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{2357}}^1$

素因数の和:2406

約数の個数: 32

約数和(自身を含む): 17826480

約数和(自身を除く): 8940590

約数列:

[1, 2, 5, 10, 13, 26, 29, 58, 65, 130, 145, 290, 377, 754, 1885, 2357, 3770, 4714, 11785, 23570, 30641, 61282, 68353, 136706, 153205, 306410, 341765, 683530, 888589, 1777178, 4442945, 8885890]

約数ペア:

[(1, 8885890), (2, 4442945), (5, 1777178), (10, 888589), (13, 683530), (26, 341765), (29, 306410), (58, 153205), (65, 136706), (130, 68353), (145, 61282), (290, 30641), (377, 23570), (754, 11785), (1885, 4714), (2357, 3770)]