8884880

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{139}}^1$

素因数の和:216

約数の個数: 80

約数和(自身を含む): 22498560

約数和(自身を除く): 13613680

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 47, 68, 80, 85, 94, 136, 139, 170, 188, 235, 272, 278, 340, 376, 470, 556, 680, 695, 752, 799, 940, 1112, 1360, 1390, 1598, 1880, 2224, 2363, 2780, 3196, 3760, 3995, 4726, 5560, 6392, 6533, 7990, 9452, 11120, 11815, 12784, 13066, 15980, 18904, 23630, 26132, 31960, 32665, 37808, 47260, 52264, 63920, 65330, 94520, 104528, 111061, 130660, 189040, 222122, 261320, 444244, 522640, 555305, 888488, 1110610, 1776976, 2221220, 4442440, 8884880]

約数ペア:

[(1, 8884880), (2, 4442440), (4, 2221220), (5, 1776976), (8, 1110610), (10, 888488), (16, 555305), (17, 522640), (20, 444244), (34, 261320), (40, 222122), (47, 189040), (68, 130660), (80, 111061), (85, 104528), (94, 94520), (136, 65330), (139, 63920), (170, 52264), (188, 47260), (235, 37808), (272, 32665), (278, 31960), (340, 26132), (376, 23630), (470, 18904), (556, 15980), (680, 13066), (695, 12784), (752, 11815), (799, 11120), (940, 9452), (1112, 7990), (1360, 6533), (1390, 6392), (1598, 5560), (1880, 4726), (2224, 3995), (2363, 3760), (2780, 3196)]