15976280

素因数分解:

$2^3\times 5^1\times {\mathrm{307}}^1\times {\mathrm{1301}}^1$

素因数の和:1619

約数の個数: 32

約数和(自身を含む): 36091440

約数和(自身を除く): 20115160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 307, 614, 1228, 1301, 1535, 2456, 2602, 3070, 5204, 6140, 6505, 10408, 12280, 13010, 26020, 52040, 399407, 798814, 1597628, 1997035, 3195256, 3994070, 7988140, 15976280]

約数ペア:

[(1, 15976280), (2, 7988140), (4, 3994070), (5, 3195256), (8, 1997035), (10, 1597628), (20, 798814), (40, 399407), (307, 52040), (614, 26020), (1228, 13010), (1301, 12280), (1535, 10408), (2456, 6505), (2602, 6140), (3070, 5204)]