7137960460

素因数分解:

$2^2\times 5^1\times {\mathrm{20407}}^1\times {\mathrm{17489}}^1$

素因数の和:37905

約数の個数: 24

約数和(自身を含む): 14991308640

約数和(自身を除く): 7853348180

約数列:

[1, 2, 4, 5, 10, 20, 17489, 20407, 34978, 40814, 69956, 81628, 87445, 102035, 174890, 204070, 349780, 408140, 356898023, 713796046, 1427592092, 1784490115, 3568980230, 7137960460]

約数ペア:

[(1, 7137960460), (2, 3568980230), (4, 1784490115), (5, 1427592092), (10, 713796046), (20, 356898023), (17489, 408140), (20407, 349780), (34978, 204070), (40814, 174890), (69956, 102035), (81628, 87445)]