157986880

素因数分解:

$2^6\times 5^1\times {\mathrm{493709}}^1$

素因数の和:493726

約数の個数: 28

約数和(自身を含む): 376207020

約数和(自身を除く): 218220140

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 493709, 987418, 1974836, 2468545, 3949672, 4937090, 7899344, 9874180, 15798688, 19748360, 31597376, 39496720, 78993440, 157986880]

約数ペア:

[(1, 157986880), (2, 78993440), (4, 39496720), (5, 31597376), (8, 19748360), (10, 15798688), (16, 9874180), (20, 7899344), (32, 4937090), (40, 3949672), (64, 2468545), (80, 1974836), (160, 987418), (320, 493709)]