80328220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{439}}^1\times {\mathrm{1307}}^1$

素因数の和:1762

約数の個数: 48

約数和(自身を含む): 193374720

約数和(自身を除く): 113046500

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 439, 878, 1307, 1756, 2195, 2614, 3073, 4390, 5228, 6146, 6535, 8780, 9149, 12292, 13070, 15365, 18298, 26140, 30730, 36596, 45745, 61460, 91490, 182980, 573773, 1147546, 2295092, 2868865, 4016411, 5737730, 8032822, 11475460, 16065644, 20082055, 40164110, 80328220]

約数ペア:

[(1, 80328220), (2, 40164110), (4, 20082055), (5, 16065644), (7, 11475460), (10, 8032822), (14, 5737730), (20, 4016411), (28, 2868865), (35, 2295092), (70, 1147546), (140, 573773), (439, 182980), (878, 91490), (1307, 61460), (1756, 45745), (2195, 36596), (2614, 30730), (3073, 26140), (4390, 18298), (5228, 15365), (6146, 13070), (6535, 12292), (8780, 9149)]