86891680

素因数分解:

$2^5\times 5^1\times {\mathrm{139}}^1\times {\mathrm{3907}}^1$

素因数の和:4061

約数の個数: 48

約数和(自身を含む): 206811360

約数和(自身を除く): 119919680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 139, 160, 278, 556, 695, 1112, 1390, 2224, 2780, 3907, 4448, 5560, 7814, 11120, 15628, 19535, 22240, 31256, 39070, 62512, 78140, 125024, 156280, 312560, 543073, 625120, 1086146, 2172292, 2715365, 4344584, 5430730, 8689168, 10861460, 17378336, 21722920, 43445840, 86891680]

約数ペア:

[(1, 86891680), (2, 43445840), (4, 21722920), (5, 17378336), (8, 10861460), (10, 8689168), (16, 5430730), (20, 4344584), (32, 2715365), (40, 2172292), (80, 1086146), (139, 625120), (160, 543073), (278, 312560), (556, 156280), (695, 125024), (1112, 78140), (1390, 62512), (2224, 39070), (2780, 31256), (3907, 22240), (4448, 19535), (5560, 15628), (7814, 11120)]