82668160

素因数分解:

$2^7\times 5^1\times {\mathrm{129169}}^1$

素因数の和:129188

約数の個数: 32

約数和(自身を含む): 197630100

約数和(自身を除く): 114961940

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 129169, 258338, 516676, 645845, 1033352, 1291690, 2066704, 2583380, 4133408, 5166760, 8266816, 10333520, 16533632, 20667040, 41334080, 82668160]

約数ペア:

[(1, 82668160), (2, 41334080), (4, 20667040), (5, 16533632), (8, 10333520), (10, 8266816), (16, 5166760), (20, 4133408), (32, 2583380), (40, 2066704), (64, 1291690), (80, 1033352), (128, 645845), (160, 516676), (320, 258338), (640, 129169)]