4654420

素因数分解:

$2^2\times 5^1\times {\mathrm{409}}^1\times {\mathrm{569}}^1$

素因数の和:987

約数の個数: 24

約数和(自身を含む): 9815400

約数和(自身を除く): 5160980

約数列:

[1, 2, 4, 5, 10, 20, 409, 569, 818, 1138, 1636, 2045, 2276, 2845, 4090, 5690, 8180, 11380, 232721, 465442, 930884, 1163605, 2327210, 4654420]

約数ペア:

[(1, 4654420), (2, 2327210), (4, 1163605), (5, 930884), (10, 465442), (20, 232721), (409, 11380), (569, 8180), (818, 5690), (1138, 4090), (1636, 2845), (2045, 2276)]