7857380

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{2999}}^1$

素因数の和:3139

約数の個数: 24

約数和(自身を含む): 16632000

約数和(自身を除く): 8774620

約数列:

[1, 2, 4, 5, 10, 20, 131, 262, 524, 655, 1310, 2620, 2999, 5998, 11996, 14995, 29990, 59980, 392869, 785738, 1571476, 1964345, 3928690, 7857380]

約数ペア:

[(1, 7857380), (2, 3928690), (4, 1964345), (5, 1571476), (10, 785738), (20, 392869), (131, 59980), (262, 29990), (524, 14995), (655, 11996), (1310, 5998), (2620, 2999)]