28510990

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{69539}}^1$

素因数の和:69587

約数の個数: 16

約数和(自身を含む): 52572240

約数和(自身を除く): 24061250

約数列:

[1, 2, 5, 10, 41, 82, 205, 410, 69539, 139078, 347695, 695390, 2851099, 5702198, 14255495, 28510990]

約数ペア:

[(1, 28510990), (2, 14255495), (5, 5702198), (10, 2851099), (41, 695390), (82, 347695), (205, 139078), (410, 69539)]