28757590

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{1289}}^1$

素因数の和:1416

約数の個数: 32

約数和(自身を含む): 54613440

約数和(自身を除く): 25855850

約数列:

[1, 2, 5, 10, 23, 46, 97, 115, 194, 230, 485, 970, 1289, 2231, 2578, 4462, 6445, 11155, 12890, 22310, 29647, 59294, 125033, 148235, 250066, 296470, 625165, 1250330, 2875759, 5751518, 14378795, 28757590]

約数ペア:

[(1, 28757590), (2, 14378795), (5, 5751518), (10, 2875759), (23, 1250330), (46, 625165), (97, 296470), (115, 250066), (194, 148235), (230, 125033), (485, 59294), (970, 29647), (1289, 22310), (2231, 12890), (2578, 11155), (4462, 6445)]