27937720

素因数分解:

$2^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{6781}}^1$

素因数の和:6895

約数の個数: 32

約数和(自身を含む): 63479520

約数和(自身を除く): 35541800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 103, 206, 412, 515, 824, 1030, 2060, 4120, 6781, 13562, 27124, 33905, 54248, 67810, 135620, 271240, 698443, 1396886, 2793772, 3492215, 5587544, 6984430, 13968860, 27937720]

約数ペア:

[(1, 27937720), (2, 13968860), (4, 6984430), (5, 5587544), (8, 3492215), (10, 2793772), (20, 1396886), (40, 698443), (103, 271240), (206, 135620), (412, 67810), (515, 54248), (824, 33905), (1030, 27124), (2060, 13562), (4120, 6781)]