42904040

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{26161}}^1$

素因数の和:26213

約数の個数: 32

約数和(自身を含む): 98892360

約数和(自身を除く): 55988320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 26161, 52322, 104644, 130805, 209288, 261610, 523220, 1046440, 1072601, 2145202, 4290404, 5363005, 8580808, 10726010, 21452020, 42904040]

約数ペア:

[(1, 42904040), (2, 21452020), (4, 10726010), (5, 8580808), (8, 5363005), (10, 4290404), (20, 2145202), (40, 1072601), (41, 1046440), (82, 523220), (164, 261610), (205, 209288), (328, 130805), (410, 104644), (820, 52322), (1640, 26161)]