834765440

素因数分解:

$2^7\times 5^1\times {\mathrm{1304321}}^1$

素因数の和:1304340

約数の個数: 32

約数和(自身を含む): 1995612660

約数和(自身を除く): 1160847220

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 1304321, 2608642, 5217284, 6521605, 10434568, 13043210, 20869136, 26086420, 41738272, 52172840, 83476544, 104345680, 166953088, 208691360, 417382720, 834765440]

約数ペア:

[(1, 834765440), (2, 417382720), (4, 208691360), (5, 166953088), (8, 104345680), (10, 83476544), (16, 52172840), (20, 41738272), (32, 26086420), (40, 20869136), (64, 13043210), (80, 10434568), (128, 6521605), (160, 5217284), (320, 2608642), (640, 1304321)]