80883040

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{257}}^1\times {\mathrm{281}}^1$

素因数の和:560

約数の個数: 96

約数和(自身を含む): 220014144

約数和(自身を除く): 139131104

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 257, 280, 281, 514, 560, 562, 1028, 1120, 1124, 1285, 1405, 1799, 1967, 2056, 2248, 2570, 2810, 3598, 3934, 4112, 4496, 5140, 5620, 7196, 7868, 8224, 8992, 8995, 9835, 10280, 11240, 14392, 15736, 17990, 19670, 20560, 22480, 28784, 31472, 35980, 39340, 41120, 44960, 57568, 62944, 71960, 72217, 78680, 143920, 144434, 157360, 287840, 288868, 314720, 361085, 505519, 577736, 722170, 1011038, 1155472, 1444340, 2022076, 2310944, 2527595, 2888680, 4044152, 5055190, 5777360, 8088304, 10110380, 11554720, 16176608, 20220760, 40441520, 80883040]

約数ペア:

[(1, 80883040), (2, 40441520), (4, 20220760), (5, 16176608), (7, 11554720), (8, 10110380), (10, 8088304), (14, 5777360), (16, 5055190), (20, 4044152), (28, 2888680), (32, 2527595), (35, 2310944), (40, 2022076), (56, 1444340), (70, 1155472), (80, 1011038), (112, 722170), (140, 577736), (160, 505519), (224, 361085), (257, 314720), (280, 288868), (281, 287840), (514, 157360), (560, 144434), (562, 143920), (1028, 78680), (1120, 72217), (1124, 71960), (1285, 62944), (1405, 57568), (1799, 44960), (1967, 41120), (2056, 39340), (2248, 35980), (2570, 31472), (2810, 28784), (3598, 22480), (3934, 20560), (4112, 19670), (4496, 17990), (5140, 15736), (5620, 14392), (7196, 11240), (7868, 10280), (8224, 9835), (8992, 8995)]