28806560

素因数分解:

$2^5\times 5^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1$

素因数の和:190

約数の個数: 96

約数和(自身を含む): 71850240

約数和(自身を除く): 43043680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 53, 79, 80, 86, 106, 158, 160, 172, 212, 215, 265, 316, 344, 395, 424, 430, 530, 632, 688, 790, 848, 860, 1060, 1264, 1376, 1580, 1696, 1720, 2120, 2279, 2528, 3160, 3397, 3440, 4187, 4240, 4558, 6320, 6794, 6880, 8374, 8480, 9116, 11395, 12640, 13588, 16748, 16985, 18232, 20935, 22790, 27176, 33496, 33970, 36464, 41870, 45580, 54352, 66992, 67940, 72928, 83740, 91160, 108704, 133984, 135880, 167480, 180041, 182320, 271760, 334960, 360082, 364640, 543520, 669920, 720164, 900205, 1440328, 1800410, 2880656, 3600820, 5761312, 7201640, 14403280, 28806560]

約数ペア:

[(1, 28806560), (2, 14403280), (4, 7201640), (5, 5761312), (8, 3600820), (10, 2880656), (16, 1800410), (20, 1440328), (32, 900205), (40, 720164), (43, 669920), (53, 543520), (79, 364640), (80, 360082), (86, 334960), (106, 271760), (158, 182320), (160, 180041), (172, 167480), (212, 135880), (215, 133984), (265, 108704), (316, 91160), (344, 83740), (395, 72928), (424, 67940), (430, 66992), (530, 54352), (632, 45580), (688, 41870), (790, 36464), (848, 33970), (860, 33496), (1060, 27176), (1264, 22790), (1376, 20935), (1580, 18232), (1696, 16985), (1720, 16748), (2120, 13588), (2279, 12640), (2528, 11395), (3160, 9116), (3397, 8480), (3440, 8374), (4187, 6880), (4240, 6794), (4558, 6320)]