27288260

素因数分解:

$2^2\times 5^1\times {\mathrm{257}}^1\times {\mathrm{5309}}^1$

素因数の和:5575

約数の個数: 24

約数和(自身を含む): 57539160

約数和(自身を除く): 30250900

約数列:

[1, 2, 4, 5, 10, 20, 257, 514, 1028, 1285, 2570, 5140, 5309, 10618, 21236, 26545, 53090, 106180, 1364413, 2728826, 5457652, 6822065, 13644130, 27288260]

約数ペア:

[(1, 27288260), (2, 13644130), (4, 6822065), (5, 5457652), (10, 2728826), (20, 1364413), (257, 106180), (514, 53090), (1028, 26545), (1285, 21236), (2570, 10618), (5140, 5309)]