8663920

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{2927}}^1$

素因数の和:2977

約数の個数: 40

約数和(自身を含む): 20695104

約数和(自身を除く): 12031184

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 74, 80, 148, 185, 296, 370, 592, 740, 1480, 2927, 2960, 5854, 11708, 14635, 23416, 29270, 46832, 58540, 108299, 117080, 216598, 234160, 433196, 541495, 866392, 1082990, 1732784, 2165980, 4331960, 8663920]

約数ペア:

[(1, 8663920), (2, 4331960), (4, 2165980), (5, 1732784), (8, 1082990), (10, 866392), (16, 541495), (20, 433196), (37, 234160), (40, 216598), (74, 117080), (80, 108299), (148, 58540), (185, 46832), (296, 29270), (370, 23416), (592, 14635), (740, 11708), (1480, 5854), (2927, 2960)]