2013281680

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{354451}}^1$

素因数の和:354535

約数の個数: 40

約数和(自身を含む): 4746821184

約数和(自身を除く): 2733539504

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 142, 284, 355, 568, 710, 1136, 1420, 2840, 5680, 354451, 708902, 1417804, 1772255, 2835608, 3544510, 5671216, 7089020, 14178040, 25166021, 28356080, 50332042, 100664084, 125830105, 201328168, 251660210, 402656336, 503320420, 1006640840, 2013281680]

約数ペア:

[(1, 2013281680), (2, 1006640840), (4, 503320420), (5, 402656336), (8, 251660210), (10, 201328168), (16, 125830105), (20, 100664084), (40, 50332042), (71, 28356080), (80, 25166021), (142, 14178040), (284, 7089020), (355, 5671216), (568, 3544510), (710, 2835608), (1136, 1772255), (1420, 1417804), (2840, 708902), (5680, 354451)]