8286340

素因数分解:

$2^2\times 5^1\times {\mathrm{409}}^1\times {\mathrm{1013}}^1$

素因数の和:1431

約数の個数: 24

約数和(自身を含む): 17461080

約数和(自身を除く): 9174740

約数列:

[1, 2, 4, 5, 10, 20, 409, 818, 1013, 1636, 2026, 2045, 4052, 4090, 5065, 8180, 10130, 20260, 414317, 828634, 1657268, 2071585, 4143170, 8286340]

約数ペア:

[(1, 8286340), (2, 4143170), (4, 2071585), (5, 1657268), (10, 828634), (20, 414317), (409, 20260), (818, 10130), (1013, 8180), (1636, 5065), (2026, 4090), (2045, 4052)]