104345680

素因数分解:

$2^4\times 5^1\times {\mathrm{1304321}}^1$

素因数の和:1304334

約数の個数: 20

約数和(自身を含む): 242603892

約数和(自身を除く): 138258212

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1304321, 2608642, 5217284, 6521605, 10434568, 13043210, 20869136, 26086420, 52172840, 104345680]

約数ペア:

[(1, 104345680), (2, 52172840), (4, 26086420), (5, 20869136), (8, 13043210), (10, 10434568), (16, 6521605), (20, 5217284), (40, 2608642), (80, 1304321)]