121380620

素因数分解:

$2^2\times 5^1\times {\mathrm{1427}}^1\times {\mathrm{4253}}^1$

素因数の和:5689

約数の個数: 24

約数和(自身を含む): 255137904

約数和(自身を除く): 133757284

約数列:

[1, 2, 4, 5, 10, 20, 1427, 2854, 4253, 5708, 7135, 8506, 14270, 17012, 21265, 28540, 42530, 85060, 6069031, 12138062, 24276124, 30345155, 60690310, 121380620]

約数ペア:

[(1, 121380620), (2, 60690310), (4, 30345155), (5, 24276124), (10, 12138062), (20, 6069031), (1427, 85060), (2854, 42530), (4253, 28540), (5708, 21265), (7135, 17012), (8506, 14270)]