22539800

素因数分解:

$2^3\times 5^2\times {\mathrm{251}}^1\times {\mathrm{449}}^1$

素因数の和:716

約数の個数: 48

約数和(自身を含む): 52731000

約数和(自身を除く): 30191200

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 251, 449, 502, 898, 1004, 1255, 1796, 2008, 2245, 2510, 3592, 4490, 5020, 6275, 8980, 10040, 11225, 12550, 17960, 22450, 25100, 44900, 50200, 89800, 112699, 225398, 450796, 563495, 901592, 1126990, 2253980, 2817475, 4507960, 5634950, 11269900, 22539800]

約数ペア:

[(1, 22539800), (2, 11269900), (4, 5634950), (5, 4507960), (8, 2817475), (10, 2253980), (20, 1126990), (25, 901592), (40, 563495), (50, 450796), (100, 225398), (200, 112699), (251, 89800), (449, 50200), (502, 44900), (898, 25100), (1004, 22450), (1255, 17960), (1796, 12550), (2008, 11225), (2245, 10040), (2510, 8980), (3592, 6275), (4490, 5020)]