251013680

素因数分解:

$2^4\times 5^1\times {\mathrm{113}}^1\times {\mathrm{27767}}^1$

素因数の和:27893

約数の個数: 40

約数和(自身を含む): 588792672

約数和(自身を除く): 337778992

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 113, 226, 452, 565, 904, 1130, 1808, 2260, 4520, 9040, 27767, 55534, 111068, 138835, 222136, 277670, 444272, 555340, 1110680, 2221360, 3137671, 6275342, 12550684, 15688355, 25101368, 31376710, 50202736, 62753420, 125506840, 251013680]

約数ペア:

[(1, 251013680), (2, 125506840), (4, 62753420), (5, 50202736), (8, 31376710), (10, 25101368), (16, 15688355), (20, 12550684), (40, 6275342), (80, 3137671), (113, 2221360), (226, 1110680), (452, 555340), (565, 444272), (904, 277670), (1130, 222136), (1808, 138835), (2260, 111068), (4520, 55534), (9040, 27767)]