159638560

素因数分解:

$2^5\times 5^1\times {\mathrm{997741}}^1$

素因数の和:997756

約数の個数: 24

約数和(自身を含む): 377146476

約数和(自身を除く): 217507916

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 997741, 1995482, 3990964, 4988705, 7981928, 9977410, 15963856, 19954820, 31927712, 39909640, 79819280, 159638560]

約数ペア:

[(1, 159638560), (2, 79819280), (4, 39909640), (5, 31927712), (8, 19954820), (10, 15963856), (16, 9977410), (20, 7981928), (32, 4988705), (40, 3990964), (80, 1995482), (160, 997741)]