85551250

素因数分解:

$2^1\times 5^4\times {\mathrm{89}}^1\times {\mathrm{769}}^1$

素因数の和:880

約数の個数: 40

約数和(自身を含む): 162369900

約数和(自身を除く): 76818650

約数列:

[1, 2, 5, 10, 25, 50, 89, 125, 178, 250, 445, 625, 769, 890, 1250, 1538, 2225, 3845, 4450, 7690, 11125, 19225, 22250, 38450, 55625, 68441, 96125, 111250, 136882, 192250, 342205, 480625, 684410, 961250, 1711025, 3422050, 8555125, 17110250, 42775625, 85551250]

約数ペア:

[(1, 85551250), (2, 42775625), (5, 17110250), (10, 8555125), (25, 3422050), (50, 1711025), (89, 961250), (125, 684410), (178, 480625), (250, 342205), (445, 192250), (625, 136882), (769, 111250), (890, 96125), (1250, 68441), (1538, 55625), (2225, 38450), (3845, 22250), (4450, 19225), (7690, 11125)]