804912040

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{103}}^1\times {\mathrm{2473}}^1$

素因数の和:2666

約数の個数: 64

約数和(自身を含む): 1852531200

約数和(自身を除く): 1047619160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 103, 158, 206, 316, 395, 412, 515, 632, 790, 824, 1030, 1580, 2060, 2473, 3160, 4120, 4946, 8137, 9892, 12365, 16274, 19784, 24730, 32548, 40685, 49460, 65096, 81370, 98920, 162740, 195367, 254719, 325480, 390734, 509438, 781468, 976835, 1018876, 1273595, 1562936, 1953670, 2037752, 2547190, 3907340, 5094380, 7814680, 10188760, 20122801, 40245602, 80491204, 100614005, 160982408, 201228010, 402456020, 804912040]

約数ペア:

[(1, 804912040), (2, 402456020), (4, 201228010), (5, 160982408), (8, 100614005), (10, 80491204), (20, 40245602), (40, 20122801), (79, 10188760), (103, 7814680), (158, 5094380), (206, 3907340), (316, 2547190), (395, 2037752), (412, 1953670), (515, 1562936), (632, 1273595), (790, 1018876), (824, 976835), (1030, 781468), (1580, 509438), (2060, 390734), (2473, 325480), (3160, 254719), (4120, 195367), (4946, 162740), (8137, 98920), (9892, 81370), (12365, 65096), (16274, 49460), (19784, 40685), (24730, 32548)]