15909040

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{28409}}^1$

素因数の和:28429

約数の個数: 40

約数和(自身を含む): 42274080

約数和(自身を除く): 26365040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 28409, 56818, 113636, 142045, 198863, 227272, 284090, 397726, 454544, 568180, 795452, 994315, 1136360, 1590904, 1988630, 2272720, 3181808, 3977260, 7954520, 15909040]

約数ペア:

[(1, 15909040), (2, 7954520), (4, 3977260), (5, 3181808), (7, 2272720), (8, 1988630), (10, 1590904), (14, 1136360), (16, 994315), (20, 795452), (28, 568180), (35, 454544), (40, 397726), (56, 284090), (70, 227272), (80, 198863), (112, 142045), (140, 113636), (280, 56818), (560, 28409)]