83707840

素因数分解:

$2^6\times 5^1\times {\mathrm{261587}}^1$

素因数の和:261604

約数の個数: 28

約数和(自身を含む): 199330056

約数和(自身を除く): 115622216

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 261587, 523174, 1046348, 1307935, 2092696, 2615870, 4185392, 5231740, 8370784, 10463480, 16741568, 20926960, 41853920, 83707840]

約数ペア:

[(1, 83707840), (2, 41853920), (4, 20926960), (5, 16741568), (8, 10463480), (10, 8370784), (16, 5231740), (20, 4185392), (32, 2615870), (40, 2092696), (64, 1307935), (80, 1046348), (160, 523174), (320, 261587)]