155506720

素因数分解:

$2^5\times 5^1\times {\mathrm{971917}}^1$

素因数の和:971932

約数の個数: 24

約数和(自身を含む): 367385004

約数和(自身を除く): 211878284

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 971917, 1943834, 3887668, 4859585, 7775336, 9719170, 15550672, 19438340, 31101344, 38876680, 77753360, 155506720]

約数ペア:

[(1, 155506720), (2, 77753360), (4, 38876680), (5, 31101344), (8, 19438340), (10, 15550672), (16, 9719170), (20, 7775336), (32, 4859585), (40, 3887668), (80, 1943834), (160, 971917)]