31245320

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{45949}}^1$

素因数の和:45977

約数の個数: 32

約数和(自身を含む): 74439000

約数和(自身を除く): 43193680

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 45949, 91898, 183796, 229745, 367592, 459490, 781133, 918980, 1562266, 1837960, 3124532, 3905665, 6249064, 7811330, 15622660, 31245320]

約数ペア:

[(1, 31245320), (2, 15622660), (4, 7811330), (5, 6249064), (8, 3905665), (10, 3124532), (17, 1837960), (20, 1562266), (34, 918980), (40, 781133), (68, 459490), (85, 367592), (136, 229745), (170, 183796), (340, 91898), (680, 45949)]