2000504890

素因数分解:

$2^1\times 5^1\times {\mathrm{409}}^1\times {\mathrm{461}}^1\times {\mathrm{1061}}^1$

素因数の和:1938

約数の個数: 32

約数和(自身を含む): 3620952720

約数和(自身を除く): 1620447830

約数列:

[1, 2, 5, 10, 409, 461, 818, 922, 1061, 2045, 2122, 2305, 4090, 4610, 5305, 10610, 188549, 377098, 433949, 489121, 867898, 942745, 978242, 1885490, 2169745, 2445605, 4339490, 4891210, 200050489, 400100978, 1000252445, 2000504890]

約数ペア:

[(1, 2000504890), (2, 1000252445), (5, 400100978), (10, 200050489), (409, 4891210), (461, 4339490), (818, 2445605), (922, 2169745), (1061, 1885490), (2045, 978242), (2122, 942745), (2305, 867898), (4090, 489121), (4610, 433949), (5305, 377098), (10610, 188549)]