12620900

素因数分解:

$2^2\times 5^2\times {\mathrm{61}}^1\times {\mathrm{2069}}^1$

素因数の和:2144

約数の個数: 36

約数和(自身を含む): 27849780

約数和(自身を除く): 15228880

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 61, 100, 122, 244, 305, 610, 1220, 1525, 2069, 3050, 4138, 6100, 8276, 10345, 20690, 41380, 51725, 103450, 126209, 206900, 252418, 504836, 631045, 1262090, 2524180, 3155225, 6310450, 12620900]

約数ペア:

[(1, 12620900), (2, 6310450), (4, 3155225), (5, 2524180), (10, 1262090), (20, 631045), (25, 504836), (50, 252418), (61, 206900), (100, 126209), (122, 103450), (244, 51725), (305, 41380), (610, 20690), (1220, 10345), (1525, 8276), (2069, 6100), (3050, 4138)]