1157720

素因数分解:

$2^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{281}}^1$

素因数の和:395

約数の個数: 32

約数和(自身を含む): 2639520

約数和(自身を除く): 1481800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 103, 206, 281, 412, 515, 562, 824, 1030, 1124, 1405, 2060, 2248, 2810, 4120, 5620, 11240, 28943, 57886, 115772, 144715, 231544, 289430, 578860, 1157720]

約数ペア:

[(1, 1157720), (2, 578860), (4, 289430), (5, 231544), (8, 144715), (10, 115772), (20, 57886), (40, 28943), (103, 11240), (206, 5620), (281, 4120), (412, 2810), (515, 2248), (562, 2060), (824, 1405), (1030, 1124)]