2016137840

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{413143}}^1$

素因数の和:413217

約数の個数: 40

約数和(自身を含む): 4764376608

約数和(自身を除く): 2748238768

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 122, 244, 305, 488, 610, 976, 1220, 2440, 4880, 413143, 826286, 1652572, 2065715, 3305144, 4131430, 6610288, 8262860, 16525720, 25201723, 33051440, 50403446, 100806892, 126008615, 201613784, 252017230, 403227568, 504034460, 1008068920, 2016137840]

約数ペア:

[(1, 2016137840), (2, 1008068920), (4, 504034460), (5, 403227568), (8, 252017230), (10, 201613784), (16, 126008615), (20, 100806892), (40, 50403446), (61, 33051440), (80, 25201723), (122, 16525720), (244, 8262860), (305, 6610288), (488, 4131430), (610, 3305144), (976, 2065715), (1220, 1652572), (2440, 826286), (4880, 413143)]