89733640

素因数分解:

$2^3\times 5^1\times {\mathrm{283}}^1\times {\mathrm{7927}}^1$

素因数の和:8221

約数の個数: 32

約数和(自身を含む): 202639680

約数和(自身を除く): 112906040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 283, 566, 1132, 1415, 2264, 2830, 5660, 7927, 11320, 15854, 31708, 39635, 63416, 79270, 158540, 317080, 2243341, 4486682, 8973364, 11216705, 17946728, 22433410, 44866820, 89733640]

約数ペア:

[(1, 89733640), (2, 44866820), (4, 22433410), (5, 17946728), (8, 11216705), (10, 8973364), (20, 4486682), (40, 2243341), (283, 317080), (566, 158540), (1132, 79270), (1415, 63416), (2264, 39635), (2830, 31708), (5660, 15854), (7927, 11320)]