7720040

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{11353}}^1$

素因数の和:11381

約数の個数: 32

約数和(自身を含む): 18393480

約数和(自身を除く): 10673440

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 11353, 22706, 45412, 56765, 90824, 113530, 193001, 227060, 386002, 454120, 772004, 965005, 1544008, 1930010, 3860020, 7720040]

約数ペア:

[(1, 7720040), (2, 3860020), (4, 1930010), (5, 1544008), (8, 965005), (10, 772004), (17, 454120), (20, 386002), (34, 227060), (40, 193001), (68, 113530), (85, 90824), (136, 56765), (170, 45412), (340, 22706), (680, 11353)]