82021840

素因数分解:

$2^4\times 5^1\times {\mathrm{1025273}}^1$

素因数の和:1025286

約数の個数: 20

約数和(自身を含む): 190700964

約数和(自身を除く): 108679124

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1025273, 2050546, 4101092, 5126365, 8202184, 10252730, 16404368, 20505460, 41010920, 82021840]

約数ペア:

[(1, 82021840), (2, 41010920), (4, 20505460), (5, 16404368), (8, 10252730), (10, 8202184), (16, 5126365), (20, 4101092), (40, 2050546), (80, 1025273)]