15961640

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23473}}^1$

素因数の和:23501

約数の個数: 32

約数和(自身を含む): 38027880

約数和(自身を除く): 22066240

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 23473, 46946, 93892, 117365, 187784, 234730, 399041, 469460, 798082, 938920, 1596164, 1995205, 3192328, 3990410, 7980820, 15961640]

約数ペア:

[(1, 15961640), (2, 7980820), (4, 3990410), (5, 3192328), (8, 1995205), (10, 1596164), (17, 938920), (20, 798082), (34, 469460), (40, 399041), (68, 234730), (85, 187784), (136, 117365), (170, 93892), (340, 46946), (680, 23473)]