55863020

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{3821}}^1$

素因数の和:3890

約数の個数: 48

約数和(自身を含む): 127135008

約数和(自身を除く): 71271988

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 43, 68, 85, 86, 170, 172, 215, 340, 430, 731, 860, 1462, 2924, 3655, 3821, 7310, 7642, 14620, 15284, 19105, 38210, 64957, 76420, 129914, 164303, 259828, 324785, 328606, 649570, 657212, 821515, 1299140, 1643030, 2793151, 3286060, 5586302, 11172604, 13965755, 27931510, 55863020]

約数ペア:

[(1, 55863020), (2, 27931510), (4, 13965755), (5, 11172604), (10, 5586302), (17, 3286060), (20, 2793151), (34, 1643030), (43, 1299140), (68, 821515), (85, 657212), (86, 649570), (170, 328606), (172, 324785), (215, 259828), (340, 164303), (430, 129914), (731, 76420), (860, 64957), (1462, 38210), (2924, 19105), (3655, 15284), (3821, 14620), (7310, 7642)]