4555220

素因数分解:

$2^2\times 5^1\times {\mathrm{421}}^1\times {\mathrm{541}}^1$

素因数の和:971

約数の個数: 24

約数和(自身を含む): 9606408

約数和(自身を除く): 5051188

約数列:

[1, 2, 4, 5, 10, 20, 421, 541, 842, 1082, 1684, 2105, 2164, 2705, 4210, 5410, 8420, 10820, 227761, 455522, 911044, 1138805, 2277610, 4555220]

約数ペア:

[(1, 4555220), (2, 2277610), (4, 1138805), (5, 911044), (10, 455522), (20, 227761), (421, 10820), (541, 8420), (842, 5410), (1082, 4210), (1684, 2705), (2105, 2164)]