64072280

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{173}}^1\times {\mathrm{197}}^1$

素因数の和:428

約数の個数: 64

約数和(自身を含む): 148832640

約数和(自身を除く): 84760360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 173, 188, 197, 235, 346, 376, 394, 470, 692, 788, 865, 940, 985, 1384, 1576, 1730, 1880, 1970, 3460, 3940, 6920, 7880, 8131, 9259, 16262, 18518, 32524, 34081, 37036, 40655, 46295, 65048, 68162, 74072, 81310, 92590, 136324, 162620, 170405, 185180, 272648, 325240, 340810, 370360, 681620, 1363240, 1601807, 3203614, 6407228, 8009035, 12814456, 16018070, 32036140, 64072280]

約数ペア:

[(1, 64072280), (2, 32036140), (4, 16018070), (5, 12814456), (8, 8009035), (10, 6407228), (20, 3203614), (40, 1601807), (47, 1363240), (94, 681620), (173, 370360), (188, 340810), (197, 325240), (235, 272648), (346, 185180), (376, 170405), (394, 162620), (470, 136324), (692, 92590), (788, 81310), (865, 74072), (940, 68162), (985, 65048), (1384, 46295), (1576, 40655), (1730, 37036), (1880, 34081), (1970, 32524), (3460, 18518), (3940, 16262), (6920, 9259), (7880, 8131)]