89838640

素因数分解:

$2^4\times 5^1\times {\mathrm{1122983}}^1$

素因数の和:1122996

約数の個数: 20

約数和(自身を含む): 208875024

約数和(自身を除く): 119036384

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1122983, 2245966, 4491932, 5614915, 8983864, 11229830, 17967728, 22459660, 44919320, 89838640]

約数ペア:

[(1, 89838640), (2, 44919320), (4, 22459660), (5, 17967728), (8, 11229830), (10, 8983864), (16, 5614915), (20, 4491932), (40, 2245966), (80, 1122983)]