28743790

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{2659}}^1$

素因数の和:2736

約数の個数: 32

約数和(自身を含む): 55157760

約数和(自身を除く): 26413970

約数列:

[1, 2, 5, 10, 23, 46, 47, 94, 115, 230, 235, 470, 1081, 2162, 2659, 5318, 5405, 10810, 13295, 26590, 61157, 122314, 124973, 249946, 305785, 611570, 624865, 1249730, 2874379, 5748758, 14371895, 28743790]

約数ペア:

[(1, 28743790), (2, 14371895), (5, 5748758), (10, 2874379), (23, 1249730), (46, 624865), (47, 611570), (94, 305785), (115, 249946), (230, 124973), (235, 122314), (470, 61157), (1081, 26590), (2162, 13295), (2659, 10810), (5318, 5405)]