47904280

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{83}}^1\times {\mathrm{307}}^1$

素因数の和:448

約数の個数: 64

約数和(自身を含む): 111767040

約数和(自身を除く): 63862760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 83, 94, 166, 188, 235, 307, 332, 376, 415, 470, 614, 664, 830, 940, 1228, 1535, 1660, 1880, 2456, 3070, 3320, 3901, 6140, 7802, 12280, 14429, 15604, 19505, 25481, 28858, 31208, 39010, 50962, 57716, 72145, 78020, 101924, 115432, 127405, 144290, 156040, 203848, 254810, 288580, 509620, 577160, 1019240, 1197607, 2395214, 4790428, 5988035, 9580856, 11976070, 23952140, 47904280]

約数ペア:

[(1, 47904280), (2, 23952140), (4, 11976070), (5, 9580856), (8, 5988035), (10, 4790428), (20, 2395214), (40, 1197607), (47, 1019240), (83, 577160), (94, 509620), (166, 288580), (188, 254810), (235, 203848), (307, 156040), (332, 144290), (376, 127405), (415, 115432), (470, 101924), (614, 78020), (664, 72145), (830, 57716), (940, 50962), (1228, 39010), (1535, 31208), (1660, 28858), (1880, 25481), (2456, 19505), (3070, 15604), (3320, 14429), (3901, 12280), (6140, 7802)]