28518520

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^2\times {\mathrm{2467}}^1$

素因数の和:2512

約数の個数: 48

約数和(自身を含む): 68190840

約数和(自身を除く): 39672320

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 289, 340, 578, 680, 1156, 1445, 2312, 2467, 2890, 4934, 5780, 9868, 11560, 12335, 19736, 24670, 41939, 49340, 83878, 98680, 167756, 209695, 335512, 419390, 712963, 838780, 1425926, 1677560, 2851852, 3564815, 5703704, 7129630, 14259260, 28518520]

約数ペア:

[(1, 28518520), (2, 14259260), (4, 7129630), (5, 5703704), (8, 3564815), (10, 2851852), (17, 1677560), (20, 1425926), (34, 838780), (40, 712963), (68, 419390), (85, 335512), (136, 209695), (170, 167756), (289, 98680), (340, 83878), (578, 49340), (680, 41939), (1156, 24670), (1445, 19736), (2312, 12335), (2467, 11560), (2890, 9868), (4934, 5780)]