25658420

素因数分解:

$2^2\times 5^1\times {\mathrm{1019}}^1\times {\mathrm{1259}}^1$

素因数の和:2287

約数の個数: 24

約数和(自身を含む): 53978400

約数和(自身を除く): 28319980

約数列:

[1, 2, 4, 5, 10, 20, 1019, 1259, 2038, 2518, 4076, 5036, 5095, 6295, 10190, 12590, 20380, 25180, 1282921, 2565842, 5131684, 6414605, 12829210, 25658420]

約数ペア:

[(1, 25658420), (2, 12829210), (4, 6414605), (5, 5131684), (10, 2565842), (20, 1282921), (1019, 25180), (1259, 20380), (2038, 12590), (2518, 10190), (4076, 6295), (5036, 5095)]