25111110

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{211}}^1\times {\mathrm{3967}}^1$

素因数の和:4188

約数の個数: 32

約数和(自身を含む): 60567552

約数和(自身を除く): 35456442

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 211, 422, 633, 1055, 1266, 2110, 3165, 3967, 6330, 7934, 11901, 19835, 23802, 39670, 59505, 119010, 837037, 1674074, 2511111, 4185185, 5022222, 8370370, 12555555, 25111110]

約数ペア:

[(1, 25111110), (2, 12555555), (3, 8370370), (5, 5022222), (6, 4185185), (10, 2511111), (15, 1674074), (30, 837037), (211, 119010), (422, 59505), (633, 39670), (1055, 23802), (1266, 19835), (2110, 11901), (3165, 7934), (3967, 6330)]