40404580

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{151}}^1\times {\mathrm{787}}^1$

素因数の和:964

約数の個数: 48

約数和(自身を含む): 90550656

約数和(自身を除く): 50146076

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 151, 170, 302, 340, 604, 755, 787, 1510, 1574, 2567, 3020, 3148, 3935, 5134, 7870, 10268, 12835, 13379, 15740, 25670, 26758, 51340, 53516, 66895, 118837, 133790, 237674, 267580, 475348, 594185, 1188370, 2020229, 2376740, 4040458, 8080916, 10101145, 20202290, 40404580]

約数ペア:

[(1, 40404580), (2, 20202290), (4, 10101145), (5, 8080916), (10, 4040458), (17, 2376740), (20, 2020229), (34, 1188370), (68, 594185), (85, 475348), (151, 267580), (170, 237674), (302, 133790), (340, 118837), (604, 66895), (755, 53516), (787, 51340), (1510, 26758), (1574, 25670), (2567, 15740), (3020, 13379), (3148, 12835), (3935, 10268), (5134, 7870)]