4089580

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{641}}^1$

素因数の和:690

約数の個数: 48

約数和(自身を含む): 9707040

約数和(自身を除く): 5617460

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 29, 44, 55, 58, 110, 116, 145, 220, 290, 319, 580, 638, 641, 1276, 1282, 1595, 2564, 3190, 3205, 6380, 6410, 7051, 12820, 14102, 18589, 28204, 35255, 37178, 70510, 74356, 92945, 141020, 185890, 204479, 371780, 408958, 817916, 1022395, 2044790, 4089580]

約数ペア:

[(1, 4089580), (2, 2044790), (4, 1022395), (5, 817916), (10, 408958), (11, 371780), (20, 204479), (22, 185890), (29, 141020), (44, 92945), (55, 74356), (58, 70510), (110, 37178), (116, 35255), (145, 28204), (220, 18589), (290, 14102), (319, 12820), (580, 7051), (638, 6410), (641, 6380), (1276, 3205), (1282, 3190), (1595, 2564)]