202017520

素因数分解:

$2^4\times 5^1\times {\mathrm{2525219}}^1$

素因数の和:2525232

約数の個数: 20

約数和(自身を含む): 469690920

約数和(自身を除く): 267673400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2525219, 5050438, 10100876, 12626095, 20201752, 25252190, 40403504, 50504380, 101008760, 202017520]

約数ペア:

[(1, 202017520), (2, 101008760), (4, 50504380), (5, 40403504), (8, 25252190), (10, 20201752), (16, 12626095), (20, 10100876), (40, 5050438), (80, 2525219)]