261910240

素因数分解:

$2^5\times 5^1\times {\mathrm{937}}^1\times {\mathrm{1747}}^1$

素因数の和:2699

約数の個数: 48

約数和(自身を含む): 619777872

約数和(自身を除く): 357867632

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 937, 1747, 1874, 3494, 3748, 4685, 6988, 7496, 8735, 9370, 13976, 14992, 17470, 18740, 27952, 29984, 34940, 37480, 55904, 69880, 74960, 139760, 149920, 279520, 1636939, 3273878, 6547756, 8184695, 13095512, 16369390, 26191024, 32738780, 52382048, 65477560, 130955120, 261910240]

約数ペア:

[(1, 261910240), (2, 130955120), (4, 65477560), (5, 52382048), (8, 32738780), (10, 26191024), (16, 16369390), (20, 13095512), (32, 8184695), (40, 6547756), (80, 3273878), (160, 1636939), (937, 279520), (1747, 149920), (1874, 139760), (3494, 74960), (3748, 69880), (4685, 55904), (6988, 37480), (7496, 34940), (8735, 29984), (9370, 27952), (13976, 18740), (14992, 17470)]