2124408040

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{10247}}^1$

素因数の和:10402

約数の個数: 64

約数和(自身を含む): 4914120960

約数和(自身を除く): 2789712920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 73, 142, 146, 284, 292, 355, 365, 568, 584, 710, 730, 1420, 1460, 2840, 2920, 5183, 10247, 10366, 20494, 20732, 25915, 40988, 41464, 51235, 51830, 81976, 102470, 103660, 204940, 207320, 409880, 727537, 748031, 1455074, 1496062, 2910148, 2992124, 3637685, 3740155, 5820296, 5984248, 7275370, 7480310, 14550740, 14960620, 29101480, 29921240, 53110201, 106220402, 212440804, 265551005, 424881608, 531102010, 1062204020, 2124408040]

約数ペア:

[(1, 2124408040), (2, 1062204020), (4, 531102010), (5, 424881608), (8, 265551005), (10, 212440804), (20, 106220402), (40, 53110201), (71, 29921240), (73, 29101480), (142, 14960620), (146, 14550740), (284, 7480310), (292, 7275370), (355, 5984248), (365, 5820296), (568, 3740155), (584, 3637685), (710, 2992124), (730, 2910148), (1420, 1496062), (1460, 1455074), (2840, 748031), (2920, 727537), (5183, 409880), (10247, 207320), (10366, 204940), (20494, 103660), (20732, 102470), (25915, 81976), (40988, 51830), (41464, 51235)]