47948440

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{457}}^1$

素因数の和:572

約数の個数: 64

約数和(自身を含む): 112448160

約数和(自身を除く): 64499720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 61, 86, 122, 172, 215, 244, 305, 344, 430, 457, 488, 610, 860, 914, 1220, 1720, 1828, 2285, 2440, 2623, 3656, 4570, 5246, 9140, 10492, 13115, 18280, 19651, 20984, 26230, 27877, 39302, 52460, 55754, 78604, 98255, 104920, 111508, 139385, 157208, 196510, 223016, 278770, 393020, 557540, 786040, 1115080, 1198711, 2397422, 4794844, 5993555, 9589688, 11987110, 23974220, 47948440]

約数ペア:

[(1, 47948440), (2, 23974220), (4, 11987110), (5, 9589688), (8, 5993555), (10, 4794844), (20, 2397422), (40, 1198711), (43, 1115080), (61, 786040), (86, 557540), (122, 393020), (172, 278770), (215, 223016), (244, 196510), (305, 157208), (344, 139385), (430, 111508), (457, 104920), (488, 98255), (610, 78604), (860, 55754), (914, 52460), (1220, 39302), (1720, 27877), (1828, 26230), (2285, 20984), (2440, 19651), (2623, 18280), (3656, 13115), (4570, 10492), (5246, 9140)]