75904540

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{42643}}^1$

素因数の和:42741

約数の個数: 24

約数和(自身を含む): 161194320

約数和(自身を除く): 85289780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780, 42643, 85286, 170572, 213215, 426430, 852860, 3795227, 7590454, 15180908, 18976135, 37952270, 75904540]

約数ペア:

[(1, 75904540), (2, 37952270), (4, 18976135), (5, 15180908), (10, 7590454), (20, 3795227), (89, 852860), (178, 426430), (356, 213215), (445, 170572), (890, 85286), (1780, 42643)]