87940760

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{1613}}^1$

素因数の和:1700

約数の個数: 64

約数和(自身を含む): 209174400

約数和(自身を除く): 121233640

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 47, 58, 94, 116, 145, 188, 232, 235, 290, 376, 470, 580, 940, 1160, 1363, 1613, 1880, 2726, 3226, 5452, 6452, 6815, 8065, 10904, 12904, 13630, 16130, 27260, 32260, 46777, 54520, 64520, 75811, 93554, 151622, 187108, 233885, 303244, 374216, 379055, 467770, 606488, 758110, 935540, 1516220, 1871080, 2198519, 3032440, 4397038, 8794076, 10992595, 17588152, 21985190, 43970380, 87940760]

約数ペア:

[(1, 87940760), (2, 43970380), (4, 21985190), (5, 17588152), (8, 10992595), (10, 8794076), (20, 4397038), (29, 3032440), (40, 2198519), (47, 1871080), (58, 1516220), (94, 935540), (116, 758110), (145, 606488), (188, 467770), (232, 379055), (235, 374216), (290, 303244), (376, 233885), (470, 187108), (580, 151622), (940, 93554), (1160, 75811), (1363, 64520), (1613, 54520), (1880, 46777), (2726, 32260), (3226, 27260), (5452, 16130), (6452, 13630), (6815, 12904), (8065, 10904)]