3962307320

素因数分解:

$2^3\times 5^1\times {\mathrm{389}}^1\times {\mathrm{254647}}^1$

素因数の和:255047

約数の個数: 32

約数和(自身を含む): 8938144800

約数和(自身を除く): 4975837480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 389, 778, 1556, 1945, 3112, 3890, 7780, 15560, 254647, 509294, 1018588, 1273235, 2037176, 2546470, 5092940, 10185880, 99057683, 198115366, 396230732, 495288415, 792461464, 990576830, 1981153660, 3962307320]

約数ペア:

[(1, 3962307320), (2, 1981153660), (4, 990576830), (5, 792461464), (8, 495288415), (10, 396230732), (20, 198115366), (40, 99057683), (389, 10185880), (778, 5092940), (1556, 2546470), (1945, 2037176), (3112, 1273235), (3890, 1018588), (7780, 509294), (15560, 254647)]