87579320

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{109}}^1\times {\mathrm{379}}^1$

素因数の和:552

約数の個数: 64

約数和(自身を含む): 203148000

約数和(自身を除く): 115568680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 109, 212, 218, 265, 379, 424, 436, 530, 545, 758, 872, 1060, 1090, 1516, 1895, 2120, 2180, 3032, 3790, 4360, 5777, 7580, 11554, 15160, 20087, 23108, 28885, 40174, 41311, 46216, 57770, 80348, 82622, 100435, 115540, 160696, 165244, 200870, 206555, 231080, 330488, 401740, 413110, 803480, 826220, 1652440, 2189483, 4378966, 8757932, 10947415, 17515864, 21894830, 43789660, 87579320]

約数ペア:

[(1, 87579320), (2, 43789660), (4, 21894830), (5, 17515864), (8, 10947415), (10, 8757932), (20, 4378966), (40, 2189483), (53, 1652440), (106, 826220), (109, 803480), (212, 413110), (218, 401740), (265, 330488), (379, 231080), (424, 206555), (436, 200870), (530, 165244), (545, 160696), (758, 115540), (872, 100435), (1060, 82622), (1090, 80348), (1516, 57770), (1895, 46216), (2120, 41311), (2180, 40174), (3032, 28885), (3790, 23108), (4360, 20087), (5777, 15160), (7580, 11554)]