13217960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{47207}}^1$

素因数の和:47225

約数の個数: 32

約数和(自身を含む): 33989760

約数和(自身を除く): 20771800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 47207, 94414, 188828, 236035, 330449, 377656, 472070, 660898, 944140, 1321796, 1652245, 1888280, 2643592, 3304490, 6608980, 13217960]

約数ペア:

[(1, 13217960), (2, 6608980), (4, 3304490), (5, 2643592), (7, 1888280), (8, 1652245), (10, 1321796), (14, 944140), (20, 660898), (28, 472070), (35, 377656), (40, 330449), (56, 236035), (70, 188828), (140, 94414), (280, 47207)]