2052040

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^2\times {\mathrm{61}}^1$

素因数の和:130

約数の個数: 48

約数和(自身を含む): 4860180

約数和(自身を除く): 2808140

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 61, 116, 122, 145, 232, 244, 290, 305, 488, 580, 610, 841, 1160, 1220, 1682, 1769, 2440, 3364, 3538, 4205, 6728, 7076, 8410, 8845, 14152, 16820, 17690, 33640, 35380, 51301, 70760, 102602, 205204, 256505, 410408, 513010, 1026020, 2052040]

約数ペア:

[(1, 2052040), (2, 1026020), (4, 513010), (5, 410408), (8, 256505), (10, 205204), (20, 102602), (29, 70760), (40, 51301), (58, 35380), (61, 33640), (116, 17690), (122, 16820), (145, 14152), (232, 8845), (244, 8410), (290, 7076), (305, 6728), (488, 4205), (580, 3538), (610, 3364), (841, 2440), (1160, 1769), (1220, 1682)]