8718280

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{12821}}^1$

素因数の和:12849

約数の個数: 32

約数和(自身を含む): 20771640

約数和(自身を除く): 12053360

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 12821, 25642, 51284, 64105, 102568, 128210, 217957, 256420, 435914, 512840, 871828, 1089785, 1743656, 2179570, 4359140, 8718280]

約数ペア:

[(1, 8718280), (2, 4359140), (4, 2179570), (5, 1743656), (8, 1089785), (10, 871828), (17, 512840), (20, 435914), (34, 256420), (40, 217957), (68, 128210), (85, 102568), (136, 64105), (170, 51284), (340, 25642), (680, 12821)]