205381630

素因数分解:

$2^1\times 5^1\times {\mathrm{163}}^1\times {\mathrm{126001}}^1$

素因数の和:126171

約数の個数: 16

約数和(自身を含む): 371957904

約数和(自身を除く): 166576274

約数列:

[1, 2, 5, 10, 163, 326, 815, 1630, 126001, 252002, 630005, 1260010, 20538163, 41076326, 102690815, 205381630]

約数ペア:

[(1, 205381630), (2, 102690815), (5, 41076326), (10, 20538163), (163, 1260010), (326, 630005), (815, 252002), (1630, 126001)]