8257580

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{149}}^1\times {\mathrm{163}}^1$

素因数の和:338

約数の個数: 48

約数和(自身を含む): 18597600

約数和(自身を除く): 10340020

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 149, 163, 170, 298, 326, 340, 596, 652, 745, 815, 1490, 1630, 2533, 2771, 2980, 3260, 5066, 5542, 10132, 11084, 12665, 13855, 24287, 25330, 27710, 48574, 50660, 55420, 97148, 121435, 242870, 412879, 485740, 825758, 1651516, 2064395, 4128790, 8257580]

約数ペア:

[(1, 8257580), (2, 4128790), (4, 2064395), (5, 1651516), (10, 825758), (17, 485740), (20, 412879), (34, 242870), (68, 121435), (85, 97148), (149, 55420), (163, 50660), (170, 48574), (298, 27710), (326, 25330), (340, 24287), (596, 13855), (652, 12665), (745, 11084), (815, 10132), (1490, 5542), (1630, 5066), (2533, 3260), (2771, 2980)]