25564520

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{9539}}^1$

素因数の和:9617

約数の個数: 32

約数和(自身を含む): 58384800

約数和(自身を除く): 32820280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67, 134, 268, 335, 536, 670, 1340, 2680, 9539, 19078, 38156, 47695, 76312, 95390, 190780, 381560, 639113, 1278226, 2556452, 3195565, 5112904, 6391130, 12782260, 25564520]

約数ペア:

[(1, 25564520), (2, 12782260), (4, 6391130), (5, 5112904), (8, 3195565), (10, 2556452), (20, 1278226), (40, 639113), (67, 381560), (134, 190780), (268, 95390), (335, 76312), (536, 47695), (670, 38156), (1340, 19078), (2680, 9539)]