4424720

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1$

素因数の和:144

約数の個数: 80

約数和(自身を含む): 11249280

約数和(自身を除く): 6824560

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 41, 71, 76, 80, 82, 95, 142, 152, 164, 190, 205, 284, 304, 328, 355, 380, 410, 568, 656, 710, 760, 779, 820, 1136, 1349, 1420, 1520, 1558, 1640, 2698, 2840, 2911, 3116, 3280, 3895, 5396, 5680, 5822, 6232, 6745, 7790, 10792, 11644, 12464, 13490, 14555, 15580, 21584, 23288, 26980, 29110, 31160, 46576, 53960, 55309, 58220, 62320, 107920, 110618, 116440, 221236, 232880, 276545, 442472, 553090, 884944, 1106180, 2212360, 4424720]

約数ペア:

[(1, 4424720), (2, 2212360), (4, 1106180), (5, 884944), (8, 553090), (10, 442472), (16, 276545), (19, 232880), (20, 221236), (38, 116440), (40, 110618), (41, 107920), (71, 62320), (76, 58220), (80, 55309), (82, 53960), (95, 46576), (142, 31160), (152, 29110), (164, 26980), (190, 23288), (205, 21584), (284, 15580), (304, 14555), (328, 13490), (355, 12464), (380, 11644), (410, 10792), (568, 7790), (656, 6745), (710, 6232), (760, 5822), (779, 5680), (820, 5396), (1136, 3895), (1349, 3280), (1420, 3116), (1520, 2911), (1558, 2840), (1640, 2698)]