158557720

素因数分解:

$2^3\times 5^1\times {\mathrm{1747}}^1\times {\mathrm{2269}}^1$

素因数の和:4027

約数の個数: 32

約数和(自身を含む): 357116400

約数和(自身を除く): 198558680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1747, 2269, 3494, 4538, 6988, 8735, 9076, 11345, 13976, 17470, 18152, 22690, 34940, 45380, 69880, 90760, 3963943, 7927886, 15855772, 19819715, 31711544, 39639430, 79278860, 158557720]

約数ペア:

[(1, 158557720), (2, 79278860), (4, 39639430), (5, 31711544), (8, 19819715), (10, 15855772), (20, 7927886), (40, 3963943), (1747, 90760), (2269, 69880), (3494, 45380), (4538, 34940), (6988, 22690), (8735, 18152), (9076, 17470), (11345, 13976)]