20040470950

素因数分解:

$2^1\times 5^2\times {\mathrm{37}}^1\times {\mathrm{139}}^1\times {\mathrm{77933}}^1$

素因数の和:78121

約数の個数: 48

約数和(自身を含む): 38558625840

約数和(自身を除く): 18518154890

約数列:

[1, 2, 5, 10, 25, 37, 50, 74, 139, 185, 278, 370, 695, 925, 1390, 1850, 3475, 5143, 6950, 10286, 25715, 51430, 77933, 128575, 155866, 257150, 389665, 779330, 1948325, 2883521, 3896650, 5767042, 10832687, 14417605, 21665374, 28835210, 54163435, 72088025, 108326870, 144176050, 270817175, 400809419, 541634350, 801618838, 2004047095, 4008094190, 10020235475, 20040470950]

約数ペア:

[(1, 20040470950), (2, 10020235475), (5, 4008094190), (10, 2004047095), (25, 801618838), (37, 541634350), (50, 400809419), (74, 270817175), (139, 144176050), (185, 108326870), (278, 72088025), (370, 54163435), (695, 28835210), (925, 21665374), (1390, 14417605), (1850, 10832687), (3475, 5767042), (5143, 3896650), (6950, 2883521), (10286, 1948325), (25715, 779330), (51430, 389665), (77933, 257150), (128575, 155866)]