679640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1307}}^1$

素因数の和:1331

約数の個数: 32

約数和(自身を含む): 1648080

約数和(自身を除く): 968440

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 1307, 2614, 5228, 6535, 10456, 13070, 16991, 26140, 33982, 52280, 67964, 84955, 135928, 169910, 339820, 679640]

約数ペア:

[(1, 679640), (2, 339820), (4, 169910), (5, 135928), (8, 84955), (10, 67964), (13, 52280), (20, 33982), (26, 26140), (40, 16991), (52, 13070), (65, 10456), (104, 6535), (130, 5228), (260, 2614), (520, 1307)]