67972580

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{261433}}^1$

素因数の和:261455

約数の個数: 24

約数和(自身を含む): 153723192

約数和(自身を除く): 85750612

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 261433, 522866, 1045732, 1307165, 2614330, 3398629, 5228660, 6797258, 13594516, 16993145, 33986290, 67972580]

約数ペア:

[(1, 67972580), (2, 33986290), (4, 16993145), (5, 13594516), (10, 6797258), (13, 5228660), (20, 3398629), (26, 2614330), (52, 1307165), (65, 1045732), (130, 522866), (260, 261433)]