40342019980

素因数分解:

$2^2\times 5^1\times {\mathrm{797}}^1\times {\mathrm{2530867}}^1$

素因数の和:2531673

約数の個数: 24

約数和(自身を含む): 84824571888

約数和(自身を除く): 44482551908

約数列:

[1, 2, 4, 5, 10, 20, 797, 1594, 3188, 3985, 7970, 15940, 2530867, 5061734, 10123468, 12654335, 25308670, 50617340, 2017100999, 4034201998, 8068403996, 10085504995, 20171009990, 40342019980]

約数ペア:

[(1, 40342019980), (2, 20171009990), (4, 10085504995), (5, 8068403996), (10, 4034201998), (20, 2017100999), (797, 50617340), (1594, 25308670), (3188, 12654335), (3985, 10123468), (7970, 5061734), (15940, 2530867)]