28729840

素因数分解:

$2^4\times 5^1\times {\mathrm{467}}^1\times {\mathrm{769}}^1$

素因数の和:1249

約数の個数: 40

約数和(自身を含む): 67026960

約数和(自身を除く): 38297120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 467, 769, 934, 1538, 1868, 2335, 3076, 3736, 3845, 4670, 6152, 7472, 7690, 9340, 12304, 15380, 18680, 30760, 37360, 61520, 359123, 718246, 1436492, 1795615, 2872984, 3591230, 5745968, 7182460, 14364920, 28729840]

約数ペア:

[(1, 28729840), (2, 14364920), (4, 7182460), (5, 5745968), (8, 3591230), (10, 2872984), (16, 1795615), (20, 1436492), (40, 718246), (80, 359123), (467, 61520), (769, 37360), (934, 30760), (1538, 18680), (1868, 15380), (2335, 12304), (3076, 9340), (3736, 7690), (3845, 7472), (4670, 6152)]