65006420

素因数分解:

$2^2\times 5^1\times {\mathrm{167}}^1\times {\mathrm{19463}}^1$

素因数の和:19639

約数の個数: 24

約数和(自身を含む): 137337984

約数和(自身を除く): 72331564

約数列:

[1, 2, 4, 5, 10, 20, 167, 334, 668, 835, 1670, 3340, 19463, 38926, 77852, 97315, 194630, 389260, 3250321, 6500642, 13001284, 16251605, 32503210, 65006420]

約数ペア:

[(1, 65006420), (2, 32503210), (4, 16251605), (5, 13001284), (10, 6500642), (20, 3250321), (167, 389260), (334, 194630), (668, 97315), (835, 77852), (1670, 38926), (3340, 19463)]