81297100

素因数分解:

$2^2\times 5^2\times {\mathrm{787}}^1\times {\mathrm{1033}}^1$

素因数の和:1834

約数の個数: 36

約数和(自身を含む): 176809864

約数和(自身を除く): 95512764

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 787, 1033, 1574, 2066, 3148, 3935, 4132, 5165, 7870, 10330, 15740, 19675, 20660, 25825, 39350, 51650, 78700, 103300, 812971, 1625942, 3251884, 4064855, 8129710, 16259420, 20324275, 40648550, 81297100]

約数ペア:

[(1, 81297100), (2, 40648550), (4, 20324275), (5, 16259420), (10, 8129710), (20, 4064855), (25, 3251884), (50, 1625942), (100, 812971), (787, 103300), (1033, 78700), (1574, 51650), (2066, 39350), (3148, 25825), (3935, 20660), (4132, 19675), (5165, 15740), (7870, 10330)]