15728078420

素因数分解:

$2^2\times 5^1\times {\mathrm{419}}^1\times {\mathrm{1876859}}^1$

素因数の和:1877287

約数の個数: 24

約数和(自身を含む): 33107810400

約数和(自身を除く): 17379731980

約数列:

[1, 2, 4, 5, 10, 20, 419, 838, 1676, 2095, 4190, 8380, 1876859, 3753718, 7507436, 9384295, 18768590, 37537180, 786403921, 1572807842, 3145615684, 3932019605, 7864039210, 15728078420]

約数ペア:

[(1, 15728078420), (2, 7864039210), (4, 3932019605), (5, 3145615684), (10, 1572807842), (20, 786403921), (419, 37537180), (838, 18768590), (1676, 9384295), (2095, 7507436), (4190, 3753718), (8380, 1876859)]