15440080

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{11353}}^1$

素因数の和:11383

約数の個数: 40

約数和(自身を含む): 38013192

約数和(自身を除く): 22573112

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 11353, 22706, 45412, 56765, 90824, 113530, 181648, 193001, 227060, 386002, 454120, 772004, 908240, 965005, 1544008, 1930010, 3088016, 3860020, 7720040, 15440080]

約数ペア:

[(1, 15440080), (2, 7720040), (4, 3860020), (5, 3088016), (8, 1930010), (10, 1544008), (16, 965005), (17, 908240), (20, 772004), (34, 454120), (40, 386002), (68, 227060), (80, 193001), (85, 181648), (136, 113530), (170, 90824), (272, 56765), (340, 45412), (680, 22706), (1360, 11353)]