13263980

素因数分解:

$2^2\times 5^1\times {\mathrm{149}}^1\times {\mathrm{4451}}^1$

素因数の和:4609

約数の個数: 24

約数和(自身を含む): 28047600

約数和(自身を除く): 14783620

約数列:

[1, 2, 4, 5, 10, 20, 149, 298, 596, 745, 1490, 2980, 4451, 8902, 17804, 22255, 44510, 89020, 663199, 1326398, 2652796, 3315995, 6631990, 13263980]

約数ペア:

[(1, 13263980), (2, 6631990), (4, 3315995), (5, 2652796), (10, 1326398), (20, 663199), (149, 89020), (298, 44510), (596, 22255), (745, 17804), (1490, 8902), (2980, 4451)]