84184780

素因数分解:

$2^2\times 5^1\times {\mathrm{211}}^1\times {\mathrm{19949}}^1$

素因数の和:20169

約数の個数: 24

約数和(自身を含む): 177634800

約数和(自身を除く): 93450020

約数列:

[1, 2, 4, 5, 10, 20, 211, 422, 844, 1055, 2110, 4220, 19949, 39898, 79796, 99745, 199490, 398980, 4209239, 8418478, 16836956, 21046195, 42092390, 84184780]

約数ペア:

[(1, 84184780), (2, 42092390), (4, 21046195), (5, 16836956), (10, 8418478), (20, 4209239), (211, 398980), (422, 199490), (844, 99745), (1055, 79796), (2110, 39898), (4220, 19949)]