8601880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{991}}^1$

素因数の和:1040

約数の個数: 64

約数和(自身を含む): 22855680

約数和(自身を除く): 14253800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 56, 62, 70, 124, 140, 155, 217, 248, 280, 310, 434, 620, 868, 991, 1085, 1240, 1736, 1982, 2170, 3964, 4340, 4955, 6937, 7928, 8680, 9910, 13874, 19820, 27748, 30721, 34685, 39640, 55496, 61442, 69370, 122884, 138740, 153605, 215047, 245768, 277480, 307210, 430094, 614420, 860188, 1075235, 1228840, 1720376, 2150470, 4300940, 8601880]

約数ペア:

[(1, 8601880), (2, 4300940), (4, 2150470), (5, 1720376), (7, 1228840), (8, 1075235), (10, 860188), (14, 614420), (20, 430094), (28, 307210), (31, 277480), (35, 245768), (40, 215047), (56, 153605), (62, 138740), (70, 122884), (124, 69370), (140, 61442), (155, 55496), (217, 39640), (248, 34685), (280, 30721), (310, 27748), (434, 19820), (620, 13874), (868, 9910), (991, 8680), (1085, 7928), (1240, 6937), (1736, 4955), (1982, 4340), (2170, 3964)]