155306720

素因数分解:

$2^5\times 5^1\times {\mathrm{970667}}^1$

素因数の和:970682

約数の個数: 24

約数和(自身を含む): 366912504

約数和(自身を除く): 211605784

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 970667, 1941334, 3882668, 4853335, 7765336, 9706670, 15530672, 19413340, 31061344, 38826680, 77653360, 155306720]

約数ペア:

[(1, 155306720), (2, 77653360), (4, 38826680), (5, 31061344), (8, 19413340), (10, 15530672), (16, 9706670), (20, 7765336), (32, 4853335), (40, 3882668), (80, 1941334), (160, 970667)]