1040071640

素因数分解:

$2^3\times 5^1\times {\mathrm{26001791}}^1$

素因数の和:26001802

約数の個数: 16

約数和(自身を含む): 2340161280

約数和(自身を除く): 1300089640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 26001791, 52003582, 104007164, 130008955, 208014328, 260017910, 520035820, 1040071640]

約数ペア:

[(1, 1040071640), (2, 520035820), (4, 260017910), (5, 208014328), (8, 130008955), (10, 104007164), (20, 52003582), (40, 26001791)]