985360

素因数分解:

$2^4\times 5^1\times {\mathrm{109}}^1\times {\mathrm{113}}^1$

素因数の和:235

約数の個数: 40

約数和(自身を含む): 2332440

約数和(自身を除く): 1347080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 109, 113, 218, 226, 436, 452, 545, 565, 872, 904, 1090, 1130, 1744, 1808, 2180, 2260, 4360, 4520, 8720, 9040, 12317, 24634, 49268, 61585, 98536, 123170, 197072, 246340, 492680, 985360]

約数ペア:

[(1, 985360), (2, 492680), (4, 246340), (5, 197072), (8, 123170), (10, 98536), (16, 61585), (20, 49268), (40, 24634), (80, 12317), (109, 9040), (113, 8720), (218, 4520), (226, 4360), (436, 2260), (452, 2180), (545, 1808), (565, 1744), (872, 1130), (904, 1090)]