6740240

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{6481}}^1$

素因数の和:6507

約数の個数: 40

約数和(自身を含む): 16879128

約数和(自身を除く): 10138888

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 6481, 12962, 25924, 32405, 51848, 64810, 84253, 103696, 129620, 168506, 259240, 337012, 421265, 518480, 674024, 842530, 1348048, 1685060, 3370120, 6740240]

約数ペア:

[(1, 6740240), (2, 3370120), (4, 1685060), (5, 1348048), (8, 842530), (10, 674024), (13, 518480), (16, 421265), (20, 337012), (26, 259240), (40, 168506), (52, 129620), (65, 103696), (80, 84253), (104, 64810), (130, 51848), (208, 32405), (260, 25924), (520, 12962), (1040, 6481)]