135686120

素因数分解:

$2^3\times 5^1\times {\mathrm{439}}^1\times {\mathrm{7727}}^1$

素因数の和:8177

約数の個数: 32

約数和(自身を含む): 306028800

約数和(自身を除く): 170342680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 439, 878, 1756, 2195, 3512, 4390, 7727, 8780, 15454, 17560, 30908, 38635, 61816, 77270, 154540, 309080, 3392153, 6784306, 13568612, 16960765, 27137224, 33921530, 67843060, 135686120]

約数ペア:

[(1, 135686120), (2, 67843060), (4, 33921530), (5, 27137224), (8, 16960765), (10, 13568612), (20, 6784306), (40, 3392153), (439, 309080), (878, 154540), (1756, 77270), (2195, 61816), (3512, 38635), (4390, 30908), (7727, 17560), (8780, 15454)]