39208820

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{40009}}^1$

素因数の和:40032

約数の個数: 36

約数和(自身を含む): 95783940

約数和(自身を除く): 56575120

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 40009, 80018, 160036, 200045, 280063, 400090, 560126, 800180, 1120252, 1400315, 1960441, 2800630, 3920882, 5601260, 7841764, 9802205, 19604410, 39208820]

約数ペア:

[(1, 39208820), (2, 19604410), (4, 9802205), (5, 7841764), (7, 5601260), (10, 3920882), (14, 2800630), (20, 1960441), (28, 1400315), (35, 1120252), (49, 800180), (70, 560126), (98, 400090), (140, 280063), (196, 200045), (245, 160036), (490, 80018), (980, 40009)]