25121330

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{1117}}^1$

素因数の和:1310

約数の個数: 32

約数和(自身を含む): 49022064

約数和(自身を除く): 23900734

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 173, 346, 865, 1117, 1730, 2234, 2249, 4498, 5585, 11170, 11245, 14521, 22490, 29042, 72605, 145210, 193241, 386482, 966205, 1932410, 2512133, 5024266, 12560665, 25121330]

約数ペア:

[(1, 25121330), (2, 12560665), (5, 5024266), (10, 2512133), (13, 1932410), (26, 966205), (65, 386482), (130, 193241), (173, 145210), (346, 72605), (865, 29042), (1117, 22490), (1730, 14521), (2234, 11245), (2249, 11170), (4498, 5585)]