1285753640

素因数分解:

$2^3\times 5^1\times {\mathrm{4817}}^1\times {\mathrm{6673}}^1$

素因数の和:11501

約数の個数: 32

約数和(自身を含む): 2893979880

約数和(自身を除く): 1608226240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 4817, 6673, 9634, 13346, 19268, 24085, 26692, 33365, 38536, 48170, 53384, 66730, 96340, 133460, 192680, 266920, 32143841, 64287682, 128575364, 160719205, 257150728, 321438410, 642876820, 1285753640]

約数ペア:

[(1, 1285753640), (2, 642876820), (4, 321438410), (5, 257150728), (8, 160719205), (10, 128575364), (20, 64287682), (40, 32143841), (4817, 266920), (6673, 192680), (9634, 133460), (13346, 96340), (19268, 66730), (24085, 53384), (26692, 48170), (33365, 38536)]