20130440

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{45751}}^1$

素因数の和:45773

約数の個数: 32

約数和(自身を含む): 49412160

約数和(自身を除く): 29281720

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 45751, 91502, 183004, 228755, 366008, 457510, 503261, 915020, 1006522, 1830040, 2013044, 2516305, 4026088, 5032610, 10065220, 20130440]

約数ペア:

[(1, 20130440), (2, 10065220), (4, 5032610), (5, 4026088), (8, 2516305), (10, 2013044), (11, 1830040), (20, 1006522), (22, 915020), (40, 503261), (44, 457510), (55, 366008), (88, 228755), (110, 183004), (220, 91502), (440, 45751)]