67525760

素因数分解:

$2^7\times 5^1\times {\mathrm{105509}}^1$

素因数の和:105528

約数の個数: 32

約数和(自身を含む): 161430300

約数和(自身を除く): 93904540

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 105509, 211018, 422036, 527545, 844072, 1055090, 1688144, 2110180, 3376288, 4220360, 6752576, 8440720, 13505152, 16881440, 33762880, 67525760]

約数ペア:

[(1, 67525760), (2, 33762880), (4, 16881440), (5, 13505152), (8, 8440720), (10, 6752576), (16, 4220360), (20, 3376288), (32, 2110180), (40, 1688144), (64, 1055090), (80, 844072), (128, 527545), (160, 422036), (320, 211018), (640, 105509)]