64158340

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{188701}}^1$

素因数の和:188727

約数の個数: 24

約数和(自身を含む): 142658712

約数和(自身を除く): 78500372

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 188701, 377402, 754804, 943505, 1887010, 3207917, 3774020, 6415834, 12831668, 16039585, 32079170, 64158340]

約数ペア:

[(1, 64158340), (2, 32079170), (4, 16039585), (5, 12831668), (10, 6415834), (17, 3774020), (20, 3207917), (34, 1887010), (68, 943505), (85, 754804), (170, 377402), (340, 188701)]