2164420

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{3491}}^1$

素因数の和:3531

約数の個数: 24

約数和(自身を含む): 4693248

約数和(自身を除く): 2528828

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 3491, 6982, 13964, 17455, 34910, 69820, 108221, 216442, 432884, 541105, 1082210, 2164420]

約数ペア:

[(1, 2164420), (2, 1082210), (4, 541105), (5, 432884), (10, 216442), (20, 108221), (31, 69820), (62, 34910), (124, 17455), (155, 13964), (310, 6982), (620, 3491)]