7959640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{15307}}^1$

素因数の和:15331

約数の個数: 32

約数和(自身を含む): 19288080

約数和(自身を除く): 11328440

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 15307, 30614, 61228, 76535, 122456, 153070, 198991, 306140, 397982, 612280, 795964, 994955, 1591928, 1989910, 3979820, 7959640]

約数ペア:

[(1, 7959640), (2, 3979820), (4, 1989910), (5, 1591928), (8, 994955), (10, 795964), (13, 612280), (20, 397982), (26, 306140), (40, 198991), (52, 153070), (65, 122456), (104, 76535), (130, 61228), (260, 30614), (520, 15307)]