80994688

素因数分解:

$2^7\times {\mathrm{251}}^1\times {\mathrm{2521}}^1$

素因数の和:2786

約数の個数: 32

約数和(自身を含む): 162063720

約数和(自身を除く): 81069032

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 251, 502, 1004, 2008, 2521, 4016, 5042, 8032, 10084, 16064, 20168, 32128, 40336, 80672, 161344, 322688, 632771, 1265542, 2531084, 5062168, 10124336, 20248672, 40497344, 80994688]

約数ペア:

[(1, 80994688), (2, 40497344), (4, 20248672), (8, 10124336), (16, 5062168), (32, 2531084), (64, 1265542), (128, 632771), (251, 322688), (502, 161344), (1004, 80672), (2008, 40336), (2521, 32128), (4016, 20168), (5042, 16064), (8032, 10084)]