20200240

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{8707}}^1$

素因数の和:8749

約数の個数: 40

約数和(自身を含む): 48590640

約数和(自身を除く): 28390400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 80, 116, 145, 232, 290, 464, 580, 1160, 2320, 8707, 17414, 34828, 43535, 69656, 87070, 139312, 174140, 252503, 348280, 505006, 696560, 1010012, 1262515, 2020024, 2525030, 4040048, 5050060, 10100120, 20200240]

約数ペア:

[(1, 20200240), (2, 10100120), (4, 5050060), (5, 4040048), (8, 2525030), (10, 2020024), (16, 1262515), (20, 1010012), (29, 696560), (40, 505006), (58, 348280), (80, 252503), (116, 174140), (145, 139312), (232, 87070), (290, 69656), (464, 43535), (580, 34828), (1160, 17414), (2320, 8707)]