7142920

素因数分解:

$2^3\times 5^1\times {\mathrm{283}}^1\times {\mathrm{631}}^1$

素因数の和:925

約数の個数: 32

約数和(自身を含む): 16153920

約数和(自身を除く): 9011000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 283, 566, 631, 1132, 1262, 1415, 2264, 2524, 2830, 3155, 5048, 5660, 6310, 11320, 12620, 25240, 178573, 357146, 714292, 892865, 1428584, 1785730, 3571460, 7142920]

約数ペア:

[(1, 7142920), (2, 3571460), (4, 1785730), (5, 1428584), (8, 892865), (10, 714292), (20, 357146), (40, 178573), (283, 25240), (566, 12620), (631, 11320), (1132, 6310), (1262, 5660), (1415, 5048), (2264, 3155), (2524, 2830)]