201101720

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{2609}}^1$

素因数の和:2708

約数の個数: 64

約数和(自身を含む): 473558400

約数和(自身を除く): 272456680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 47, 82, 94, 164, 188, 205, 235, 328, 376, 410, 470, 820, 940, 1640, 1880, 1927, 2609, 3854, 5218, 7708, 9635, 10436, 13045, 15416, 19270, 20872, 26090, 38540, 52180, 77080, 104360, 106969, 122623, 213938, 245246, 427876, 490492, 534845, 613115, 855752, 980984, 1069690, 1226230, 2139380, 2452460, 4278760, 4904920, 5027543, 10055086, 20110172, 25137715, 40220344, 50275430, 100550860, 201101720]

約数ペア:

[(1, 201101720), (2, 100550860), (4, 50275430), (5, 40220344), (8, 25137715), (10, 20110172), (20, 10055086), (40, 5027543), (41, 4904920), (47, 4278760), (82, 2452460), (94, 2139380), (164, 1226230), (188, 1069690), (205, 980984), (235, 855752), (328, 613115), (376, 534845), (410, 490492), (470, 427876), (820, 245246), (940, 213938), (1640, 122623), (1880, 106969), (1927, 104360), (2609, 77080), (3854, 52180), (5218, 38540), (7708, 26090), (9635, 20872), (10436, 19270), (13045, 15416)]