28515460

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{83869}}^1$

素因数の和:83895

約数の個数: 24

約数和(自身を含む): 63405720

約数和(自身を除く): 34890260

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 83869, 167738, 335476, 419345, 838690, 1425773, 1677380, 2851546, 5703092, 7128865, 14257730, 28515460]

約数ペア:

[(1, 28515460), (2, 14257730), (4, 7128865), (5, 5703092), (10, 2851546), (17, 1677380), (20, 1425773), (34, 838690), (68, 419345), (85, 335476), (170, 167738), (340, 83869)]