28660760

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31153}}^1$

素因数の和:31187

約数の個数: 32

約数和(自身を含む): 67292640

約数和(自身を除く): 38631880

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 31153, 62306, 124612, 155765, 249224, 311530, 623060, 716519, 1246120, 1433038, 2866076, 3582595, 5732152, 7165190, 14330380, 28660760]

約数ペア:

[(1, 28660760), (2, 14330380), (4, 7165190), (5, 5732152), (8, 3582595), (10, 2866076), (20, 1433038), (23, 1246120), (40, 716519), (46, 623060), (92, 311530), (115, 249224), (184, 155765), (230, 124612), (460, 62306), (920, 31153)]