80417860

素因数分解:

$2^2\times 5^1\times {\mathrm{941}}^1\times {\mathrm{4273}}^1$

素因数の和:5223

約数の個数: 24

約数和(自身を含む): 169096536

約数和(自身を除く): 88678676

約数列:

[1, 2, 4, 5, 10, 20, 941, 1882, 3764, 4273, 4705, 8546, 9410, 17092, 18820, 21365, 42730, 85460, 4020893, 8041786, 16083572, 20104465, 40208930, 80417860]

約数ペア:

[(1, 80417860), (2, 40208930), (4, 20104465), (5, 16083572), (10, 8041786), (20, 4020893), (941, 85460), (1882, 42730), (3764, 21365), (4273, 18820), (4705, 17092), (8546, 9410)]