180855980

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{69029}}^1$

素因数の和:69169

約数の個数: 24

約数和(自身を含む): 382702320

約数和(自身を除く): 201846340

約数列:

[1, 2, 4, 5, 10, 20, 131, 262, 524, 655, 1310, 2620, 69029, 138058, 276116, 345145, 690290, 1380580, 9042799, 18085598, 36171196, 45213995, 90427990, 180855980]

約数ペア:

[(1, 180855980), (2, 90427990), (4, 45213995), (5, 36171196), (10, 18085598), (20, 9042799), (131, 1380580), (262, 690290), (524, 345145), (655, 276116), (1310, 138058), (2620, 69029)]