28463240

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{431}}^1$

素因数の和:582

約数の個数: 64

約数和(自身を含む): 69672960

約数和(自身を除く): 41209720

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 127, 130, 254, 260, 431, 508, 520, 635, 862, 1016, 1270, 1651, 1724, 2155, 2540, 3302, 3448, 4310, 5080, 5603, 6604, 8255, 8620, 11206, 13208, 16510, 17240, 22412, 28015, 33020, 44824, 54737, 56030, 66040, 109474, 112060, 218948, 224120, 273685, 437896, 547370, 711581, 1094740, 1423162, 2189480, 2846324, 3557905, 5692648, 7115810, 14231620, 28463240]

約数ペア:

[(1, 28463240), (2, 14231620), (4, 7115810), (5, 5692648), (8, 3557905), (10, 2846324), (13, 2189480), (20, 1423162), (26, 1094740), (40, 711581), (52, 547370), (65, 437896), (104, 273685), (127, 224120), (130, 218948), (254, 112060), (260, 109474), (431, 66040), (508, 56030), (520, 54737), (635, 44824), (862, 33020), (1016, 28015), (1270, 22412), (1651, 17240), (1724, 16510), (2155, 13208), (2540, 11206), (3302, 8620), (3448, 8255), (4310, 6604), (5080, 5603)]