213048163880

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{129907417}}^1$

素因数の和:129907469

約数の個数: 32

約数和(自身を含む): 491050040040

約数和(自身を除く): 278001876160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 129907417, 259814834, 519629668, 649537085, 1039259336, 1299074170, 2598148340, 5196296680, 5326204097, 10652408194, 21304816388, 26631020485, 42609632776, 53262040970, 106524081940, 213048163880]

約数ペア:

[(1, 213048163880), (2, 106524081940), (4, 53262040970), (5, 42609632776), (8, 26631020485), (10, 21304816388), (20, 10652408194), (40, 5326204097), (41, 5196296680), (82, 2598148340), (164, 1299074170), (205, 1039259336), (328, 649537085), (410, 519629668), (820, 259814834), (1640, 129907417)]