12984560

素因数分解:

$2^4\times 5^1\times {\mathrm{101}}^1\times {\mathrm{1607}}^1$

素因数の和:1721

約数の個数: 40

約数和(自身を含む): 30506976

約数和(自身を除く): 17522416

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 101, 202, 404, 505, 808, 1010, 1607, 1616, 2020, 3214, 4040, 6428, 8035, 8080, 12856, 16070, 25712, 32140, 64280, 128560, 162307, 324614, 649228, 811535, 1298456, 1623070, 2596912, 3246140, 6492280, 12984560]

約数ペア:

[(1, 12984560), (2, 6492280), (4, 3246140), (5, 2596912), (8, 1623070), (10, 1298456), (16, 811535), (20, 649228), (40, 324614), (80, 162307), (101, 128560), (202, 64280), (404, 32140), (505, 25712), (808, 16070), (1010, 12856), (1607, 8080), (1616, 8035), (2020, 6428), (3214, 4040)]