8457020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{2957}}^1$

素因数の和:2990

約数の個数: 48

約数和(自身を含む): 20871648

約数和(自身を除く): 12414628

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 130, 143, 220, 260, 286, 572, 715, 1430, 2860, 2957, 5914, 11828, 14785, 29570, 32527, 38441, 59140, 65054, 76882, 130108, 153764, 162635, 192205, 325270, 384410, 422851, 650540, 768820, 845702, 1691404, 2114255, 4228510, 8457020]

約数ペア:

[(1, 8457020), (2, 4228510), (4, 2114255), (5, 1691404), (10, 845702), (11, 768820), (13, 650540), (20, 422851), (22, 384410), (26, 325270), (44, 192205), (52, 162635), (55, 153764), (65, 130108), (110, 76882), (130, 65054), (143, 59140), (220, 38441), (260, 32527), (286, 29570), (572, 14785), (715, 11828), (1430, 5914), (2860, 2957)]