78675680

素因数分解:

$2^5\times 5^1\times {\mathrm{313}}^1\times {\mathrm{1571}}^1$

素因数の和:1899

約数の個数: 48

約数和(自身を含む): 186583824

約数和(自身を除く): 107908144

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 313, 626, 1252, 1565, 1571, 2504, 3130, 3142, 5008, 6260, 6284, 7855, 10016, 12520, 12568, 15710, 25040, 25136, 31420, 50080, 50272, 62840, 125680, 251360, 491723, 983446, 1966892, 2458615, 3933784, 4917230, 7867568, 9834460, 15735136, 19668920, 39337840, 78675680]

約数ペア:

[(1, 78675680), (2, 39337840), (4, 19668920), (5, 15735136), (8, 9834460), (10, 7867568), (16, 4917230), (20, 3933784), (32, 2458615), (40, 1966892), (80, 983446), (160, 491723), (313, 251360), (626, 125680), (1252, 62840), (1565, 50272), (1571, 50080), (2504, 31420), (3130, 25136), (3142, 25040), (5008, 15710), (6260, 12568), (6284, 12520), (7855, 10016)]