25257570

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{64763}}^1$

素因数の和:64786

約数の個数: 32

約数和(自身を含む): 65282112

約数和(自身を除く): 40024542

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 64763, 129526, 194289, 323815, 388578, 647630, 841919, 971445, 1683838, 1942890, 2525757, 4209595, 5051514, 8419190, 12628785, 25257570]

約数ペア:

[(1, 25257570), (2, 12628785), (3, 8419190), (5, 5051514), (6, 4209595), (10, 2525757), (13, 1942890), (15, 1683838), (26, 971445), (30, 841919), (39, 647630), (65, 388578), (78, 323815), (130, 194289), (195, 129526), (390, 64763)]