57742760

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{137}}^1\times {\mathrm{257}}^1$

素因数の和:446

約数の個数: 64

約数和(自身を含む): 134583120

約数和(自身を除く): 76840360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 137, 164, 205, 257, 274, 328, 410, 514, 548, 685, 820, 1028, 1096, 1285, 1370, 1640, 2056, 2570, 2740, 5140, 5480, 5617, 10280, 10537, 11234, 21074, 22468, 28085, 35209, 42148, 44936, 52685, 56170, 70418, 84296, 105370, 112340, 140836, 176045, 210740, 224680, 281672, 352090, 421480, 704180, 1408360, 1443569, 2887138, 5774276, 7217845, 11548552, 14435690, 28871380, 57742760]

約数ペア:

[(1, 57742760), (2, 28871380), (4, 14435690), (5, 11548552), (8, 7217845), (10, 5774276), (20, 2887138), (40, 1443569), (41, 1408360), (82, 704180), (137, 421480), (164, 352090), (205, 281672), (257, 224680), (274, 210740), (328, 176045), (410, 140836), (514, 112340), (548, 105370), (685, 84296), (820, 70418), (1028, 56170), (1096, 52685), (1285, 44936), (1370, 42148), (1640, 35209), (2056, 28085), (2570, 22468), (2740, 21074), (5140, 11234), (5480, 10537), (5617, 10280)]