55320040

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{81353}}^1$

素因数の和:81381

約数の個数: 32

約数和(自身を含む): 131793480

約数和(自身を除く): 76473440

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 81353, 162706, 325412, 406765, 650824, 813530, 1383001, 1627060, 2766002, 3254120, 5532004, 6915005, 11064008, 13830010, 27660020, 55320040]

約数ペア:

[(1, 55320040), (2, 27660020), (4, 13830010), (5, 11064008), (8, 6915005), (10, 5532004), (17, 3254120), (20, 2766002), (34, 1627060), (40, 1383001), (68, 813530), (85, 650824), (136, 406765), (170, 325412), (340, 162706), (680, 81353)]