2220565240

素因数分解:

$2^3\times 5^1\times {\mathrm{55514131}}^1$

素因数の和:55514142

約数の個数: 16

約数和(自身を含む): 4996271880

約数和(自身を除く): 2775706640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 55514131, 111028262, 222056524, 277570655, 444113048, 555141310, 1110282620, 2220565240]

約数ペア:

[(1, 2220565240), (2, 1110282620), (4, 555141310), (5, 444113048), (8, 277570655), (10, 222056524), (20, 111028262), (40, 55514131)]