25517840

素因数分解:

$2^4\times 5^1\times {\mathrm{307}}^1\times {\mathrm{1039}}^1$

素因数の和:1359

約数の個数: 40

約数和(自身を含む): 59579520

約数和(自身を除く): 34061680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 307, 614, 1039, 1228, 1535, 2078, 2456, 3070, 4156, 4912, 5195, 6140, 8312, 10390, 12280, 16624, 20780, 24560, 41560, 83120, 318973, 637946, 1275892, 1594865, 2551784, 3189730, 5103568, 6379460, 12758920, 25517840]

約数ペア:

[(1, 25517840), (2, 12758920), (4, 6379460), (5, 5103568), (8, 3189730), (10, 2551784), (16, 1594865), (20, 1275892), (40, 637946), (80, 318973), (307, 83120), (614, 41560), (1039, 24560), (1228, 20780), (1535, 16624), (2078, 12280), (2456, 10390), (3070, 8312), (4156, 6140), (4912, 5195)]