201640520

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{75239}}^1$

素因数の和:75317

約数の個数: 32

約数和(自身を含む): 460468800

約数和(自身を除く): 258828280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67, 134, 268, 335, 536, 670, 1340, 2680, 75239, 150478, 300956, 376195, 601912, 752390, 1504780, 3009560, 5041013, 10082026, 20164052, 25205065, 40328104, 50410130, 100820260, 201640520]

約数ペア:

[(1, 201640520), (2, 100820260), (4, 50410130), (5, 40328104), (8, 25205065), (10, 20164052), (20, 10082026), (40, 5041013), (67, 3009560), (134, 1504780), (268, 752390), (335, 601912), (536, 376195), (670, 300956), (1340, 150478), (2680, 75239)]