39908120

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{142529}}^1$

素因数の和:142547

約数の個数: 32

約数和(自身を含む): 102621600

約数和(自身を除く): 62713480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 142529, 285058, 570116, 712645, 997703, 1140232, 1425290, 1995406, 2850580, 3990812, 4988515, 5701160, 7981624, 9977030, 19954060, 39908120]

約数ペア:

[(1, 39908120), (2, 19954060), (4, 9977030), (5, 7981624), (7, 5701160), (8, 4988515), (10, 3990812), (14, 2850580), (20, 1995406), (28, 1425290), (35, 1140232), (40, 997703), (56, 712645), (70, 570116), (140, 285058), (280, 142529)]