87054940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{621821}}^1$

素因数の和:621837

約数の個数: 24

約数和(自身を含む): 208932192

約数和(自身を除く): 121877252

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 621821, 1243642, 2487284, 3109105, 4352747, 6218210, 8705494, 12436420, 17410988, 21763735, 43527470, 87054940]

約数ペア:

[(1, 87054940), (2, 43527470), (4, 21763735), (5, 17410988), (7, 12436420), (10, 8705494), (14, 6218210), (20, 4352747), (28, 3109105), (35, 2487284), (70, 1243642), (140, 621821)]