82151207420

素因数分解:

$2^2\times 5^1\times {\mathrm{4107560371}}^1$

素因数の和:4107560380

約数の個数: 12

約数和(自身を含む): 172517535624

約数和(自身を除く): 90366328204

約数列:

[1, 2, 4, 5, 10, 20, 4107560371, 8215120742, 16430241484, 20537801855, 41075603710, 82151207420]

約数ペア:

[(1, 82151207420), (2, 41075603710), (4, 20537801855), (5, 16430241484), (10, 8215120742), (20, 4107560371)]