61520020

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{1453}}^1$

素因数の和:1564

約数の個数: 48

約数和(自身を含む): 135570960

約数和(自身を除く): 74050940

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 73, 116, 145, 146, 290, 292, 365, 580, 730, 1453, 1460, 2117, 2906, 4234, 5812, 7265, 8468, 10585, 14530, 21170, 29060, 42137, 42340, 84274, 106069, 168548, 210685, 212138, 421370, 424276, 530345, 842740, 1060690, 2121380, 3076001, 6152002, 12304004, 15380005, 30760010, 61520020]

約数ペア:

[(1, 61520020), (2, 30760010), (4, 15380005), (5, 12304004), (10, 6152002), (20, 3076001), (29, 2121380), (58, 1060690), (73, 842740), (116, 530345), (145, 424276), (146, 421370), (290, 212138), (292, 210685), (365, 168548), (580, 106069), (730, 84274), (1453, 42340), (1460, 42137), (2117, 29060), (2906, 21170), (4234, 14530), (5812, 10585), (7265, 8468)]