320465990

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2465123}}^1$

素因数の和:2465143

約数の個数: 16

約数和(自身を含む): 621211248

約数和(自身を除く): 300745258

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 2465123, 4930246, 12325615, 24651230, 32046599, 64093198, 160232995, 320465990]

約数ペア:

[(1, 320465990), (2, 160232995), (5, 64093198), (10, 32046599), (13, 24651230), (26, 12325615), (65, 4930246), (130, 2465123)]