83381840

素因数分解:

$2^4\times 5^1\times {\mathrm{1042273}}^1$

素因数の和:1042286

約数の個数: 20

約数和(自身を含む): 193862964

約数和(自身を除く): 110481124

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1042273, 2084546, 4169092, 5211365, 8338184, 10422730, 16676368, 20845460, 41690920, 83381840]

約数ペア:

[(1, 83381840), (2, 41690920), (4, 20845460), (5, 16676368), (8, 10422730), (10, 8338184), (16, 5211365), (20, 4169092), (40, 2084546), (80, 1042273)]