25668580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{47}}^2\times {\mathrm{83}}^1$

素因数の和:193

約数の個数: 72

約数和(自身を含む): 63701568

約数和(自身を除く): 38032988

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 47, 70, 83, 94, 140, 166, 188, 235, 329, 332, 415, 470, 581, 658, 830, 940, 1162, 1316, 1645, 1660, 2209, 2324, 2905, 3290, 3901, 4418, 5810, 6580, 7802, 8836, 11045, 11620, 15463, 15604, 19505, 22090, 27307, 30926, 39010, 44180, 54614, 61852, 77315, 78020, 109228, 136535, 154630, 183347, 273070, 309260, 366694, 546140, 733388, 916735, 1283429, 1833470, 2566858, 3666940, 5133716, 6417145, 12834290, 25668580]

約数ペア:

[(1, 25668580), (2, 12834290), (4, 6417145), (5, 5133716), (7, 3666940), (10, 2566858), (14, 1833470), (20, 1283429), (28, 916735), (35, 733388), (47, 546140), (70, 366694), (83, 309260), (94, 273070), (140, 183347), (166, 154630), (188, 136535), (235, 109228), (329, 78020), (332, 77315), (415, 61852), (470, 54614), (581, 44180), (658, 39010), (830, 30926), (940, 27307), (1162, 22090), (1316, 19505), (1645, 15604), (1660, 15463), (2209, 11620), (2324, 11045), (2905, 8836), (3290, 7802), (3901, 6580), (4418, 5810)]