39913160

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{142547}}^1$

素因数の和:142565

約数の個数: 32

約数和(自身を含む): 102634560

約数和(自身を除く): 62721400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 142547, 285094, 570188, 712735, 997829, 1140376, 1425470, 1995658, 2850940, 3991316, 4989145, 5701880, 7982632, 9978290, 19956580, 39913160]

約数ペア:

[(1, 39913160), (2, 19956580), (4, 9978290), (5, 7982632), (7, 5701880), (8, 4989145), (10, 3991316), (14, 2850940), (20, 1995658), (28, 1425470), (35, 1140376), (40, 997829), (56, 712735), (70, 570188), (140, 285094), (280, 142547)]