7980050

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{12277}}^1$

素因数の和:12302

約数の個数: 24

約数和(自身を含む): 15985956

約数和(自身を除く): 8005906

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 325, 650, 12277, 24554, 61385, 122770, 159601, 306925, 319202, 613850, 798005, 1596010, 3990025, 7980050]

約数ペア:

[(1, 7980050), (2, 3990025), (5, 1596010), (10, 798005), (13, 613850), (25, 319202), (26, 306925), (50, 159601), (65, 122770), (130, 61385), (325, 24554), (650, 12277)]