55501640

素因数分解:

$2^3\times 5^1\times {\mathrm{1129}}^1\times {\mathrm{1229}}^1$

素因数の和:2369

約数の個数: 32

約数和(自身を含む): 125091000

約数和(自身を除く): 69589360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1129, 1229, 2258, 2458, 4516, 4916, 5645, 6145, 9032, 9832, 11290, 12290, 22580, 24580, 45160, 49160, 1387541, 2775082, 5550164, 6937705, 11100328, 13875410, 27750820, 55501640]

約数ペア:

[(1, 55501640), (2, 27750820), (4, 13875410), (5, 11100328), (8, 6937705), (10, 5550164), (20, 2775082), (40, 1387541), (1129, 49160), (1229, 45160), (2258, 24580), (2458, 22580), (4516, 12290), (4916, 11290), (5645, 9832), (6145, 9032)]