40540220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{289573}}^1$

素因数の和:289589

約数の個数: 24

約数和(自身を含む): 97296864

約数和(自身を除く): 56756644

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 289573, 579146, 1158292, 1447865, 2027011, 2895730, 4054022, 5791460, 8108044, 10135055, 20270110, 40540220]

約数ペア:

[(1, 40540220), (2, 20270110), (4, 10135055), (5, 8108044), (7, 5791460), (10, 4054022), (14, 2895730), (20, 2027011), (28, 1447865), (35, 1158292), (70, 579146), (140, 289573)]