8839880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{241}}^1$

素因数の和:390

約数の個数: 64

約数和(自身を含む): 22999680

約数和(自身を除く): 14159800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 131, 140, 241, 262, 280, 482, 524, 655, 917, 964, 1048, 1205, 1310, 1687, 1834, 1928, 2410, 2620, 3374, 3668, 4585, 4820, 5240, 6748, 7336, 8435, 9170, 9640, 13496, 16870, 18340, 31571, 33740, 36680, 63142, 67480, 126284, 157855, 220997, 252568, 315710, 441994, 631420, 883988, 1104985, 1262840, 1767976, 2209970, 4419940, 8839880]

約数ペア:

[(1, 8839880), (2, 4419940), (4, 2209970), (5, 1767976), (7, 1262840), (8, 1104985), (10, 883988), (14, 631420), (20, 441994), (28, 315710), (35, 252568), (40, 220997), (56, 157855), (70, 126284), (131, 67480), (140, 63142), (241, 36680), (262, 33740), (280, 31571), (482, 18340), (524, 16870), (655, 13496), (917, 9640), (964, 9170), (1048, 8435), (1205, 7336), (1310, 6748), (1687, 5240), (1834, 4820), (1928, 4585), (2410, 3668), (2620, 3374)]