159739960

素因数分解:

$2^3\times 5^1\times {\mathrm{947}}^1\times {\mathrm{4217}}^1$

素因数の和:5175

約数の個数: 32

約数和(自身を含む): 359879760

約数和(自身を除く): 200139800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 947, 1894, 3788, 4217, 4735, 7576, 8434, 9470, 16868, 18940, 21085, 33736, 37880, 42170, 84340, 168680, 3993499, 7986998, 15973996, 19967495, 31947992, 39934990, 79869980, 159739960]

約数ペア:

[(1, 159739960), (2, 79869980), (4, 39934990), (5, 31947992), (8, 19967495), (10, 15973996), (20, 7986998), (40, 3993499), (947, 168680), (1894, 84340), (3788, 42170), (4217, 37880), (4735, 33736), (7576, 21085), (8434, 18940), (9470, 16868)]