16220540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{115861}}^1$

素因数の和:115877

約数の個数: 24

約数和(自身を含む): 38929632

約数和(自身を除く): 22709092

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 115861, 231722, 463444, 579305, 811027, 1158610, 1622054, 2317220, 3244108, 4055135, 8110270, 16220540]

約数ペア:

[(1, 16220540), (2, 8110270), (4, 4055135), (5, 3244108), (7, 2317220), (10, 1622054), (14, 1158610), (20, 811027), (28, 579305), (35, 463444), (70, 231722), (140, 115861)]