8128040

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{11953}}^1$

素因数の和:11981

約数の個数: 32

約数和(自身を含む): 19365480

約数和(自身を除く): 11237440

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 11953, 23906, 47812, 59765, 95624, 119530, 203201, 239060, 406402, 478120, 812804, 1016005, 1625608, 2032010, 4064020, 8128040]

約数ペア:

[(1, 8128040), (2, 4064020), (4, 2032010), (5, 1625608), (8, 1016005), (10, 812804), (17, 478120), (20, 406402), (34, 239060), (40, 203201), (68, 119530), (85, 95624), (136, 59765), (170, 47812), (340, 23906), (680, 11953)]