25848980

素因数分解:

$2^2\times 5^1\times {\mathrm{541}}^1\times {\mathrm{2389}}^1$

素因数の和:2939

約数の個数: 24

約数和(自身を含む): 54405960

約数和(自身を除く): 28556980

約数列:

[1, 2, 4, 5, 10, 20, 541, 1082, 2164, 2389, 2705, 4778, 5410, 9556, 10820, 11945, 23890, 47780, 1292449, 2584898, 5169796, 6462245, 12924490, 25848980]

約数ペア:

[(1, 25848980), (2, 12924490), (4, 6462245), (5, 5169796), (10, 2584898), (20, 1292449), (541, 47780), (1082, 23890), (2164, 11945), (2389, 10820), (2705, 9556), (4778, 5410)]