129445520

素因数分解:

$2^4\times 5^1\times {\mathrm{47}}^1\times {\mathrm{173}}^1\times {\mathrm{199}}^1$

素因数の和:432

約数の個数: 80

約数和(自身を含む): 310694400

約数和(自身を除く): 181248880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 47, 80, 94, 173, 188, 199, 235, 346, 376, 398, 470, 692, 752, 796, 865, 940, 995, 1384, 1592, 1730, 1880, 1990, 2768, 3184, 3460, 3760, 3980, 6920, 7960, 8131, 9353, 13840, 15920, 16262, 18706, 32524, 34427, 37412, 40655, 46765, 65048, 68854, 74824, 81310, 93530, 130096, 137708, 149648, 162620, 172135, 187060, 275416, 325240, 344270, 374120, 550832, 650480, 688540, 748240, 1377080, 1618069, 2754160, 3236138, 6472276, 8090345, 12944552, 16180690, 25889104, 32361380, 64722760, 129445520]

約数ペア:

[(1, 129445520), (2, 64722760), (4, 32361380), (5, 25889104), (8, 16180690), (10, 12944552), (16, 8090345), (20, 6472276), (40, 3236138), (47, 2754160), (80, 1618069), (94, 1377080), (173, 748240), (188, 688540), (199, 650480), (235, 550832), (346, 374120), (376, 344270), (398, 325240), (470, 275416), (692, 187060), (752, 172135), (796, 162620), (865, 149648), (940, 137708), (995, 130096), (1384, 93530), (1592, 81310), (1730, 74824), (1880, 68854), (1990, 65048), (2768, 46765), (3184, 40655), (3460, 37412), (3760, 34427), (3980, 32524), (6920, 18706), (7960, 16262), (8131, 15920), (9353, 13840)]