8907040

素因数分解:

$2^5\times 5^1\times {\mathrm{179}}^1\times {\mathrm{311}}^1$

素因数の和:505

約数の個数: 48

約数和(自身を含む): 21228480

約数和(自身を除く): 12321440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 179, 311, 358, 622, 716, 895, 1244, 1432, 1555, 1790, 2488, 2864, 3110, 3580, 4976, 5728, 6220, 7160, 9952, 12440, 14320, 24880, 28640, 49760, 55669, 111338, 222676, 278345, 445352, 556690, 890704, 1113380, 1781408, 2226760, 4453520, 8907040]

約数ペア:

[(1, 8907040), (2, 4453520), (4, 2226760), (5, 1781408), (8, 1113380), (10, 890704), (16, 556690), (20, 445352), (32, 278345), (40, 222676), (80, 111338), (160, 55669), (179, 49760), (311, 28640), (358, 24880), (622, 14320), (716, 12440), (895, 9952), (1244, 7160), (1432, 6220), (1555, 5728), (1790, 4976), (2488, 3580), (2864, 3110)]