67777580

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{3571}}^1$

素因数の和:3666

約数の個数: 48

約数和(自身を含む): 155424864

約数和(自身を除く): 87647284

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 73, 130, 146, 260, 292, 365, 730, 949, 1460, 1898, 3571, 3796, 4745, 7142, 9490, 14284, 17855, 18980, 35710, 46423, 71420, 92846, 185692, 232115, 260683, 464230, 521366, 928460, 1042732, 1303415, 2606830, 3388879, 5213660, 6777758, 13555516, 16944395, 33888790, 67777580]

約数ペア:

[(1, 67777580), (2, 33888790), (4, 16944395), (5, 13555516), (10, 6777758), (13, 5213660), (20, 3388879), (26, 2606830), (52, 1303415), (65, 1042732), (73, 928460), (130, 521366), (146, 464230), (260, 260683), (292, 232115), (365, 185692), (730, 92846), (949, 71420), (1460, 46423), (1898, 35710), (3571, 18980), (3796, 17855), (4745, 14284), (7142, 9490)]