8555540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{2657}}^1$

素因数の和:2696

約数の個数: 48

約数和(自身を含む): 21434112

約数和(自身を除く): 12878572

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 92, 115, 140, 161, 230, 322, 460, 644, 805, 1610, 2657, 3220, 5314, 10628, 13285, 18599, 26570, 37198, 53140, 61111, 74396, 92995, 122222, 185990, 244444, 305555, 371980, 427777, 611110, 855554, 1222220, 1711108, 2138885, 4277770, 8555540]

約数ペア:

[(1, 8555540), (2, 4277770), (4, 2138885), (5, 1711108), (7, 1222220), (10, 855554), (14, 611110), (20, 427777), (23, 371980), (28, 305555), (35, 244444), (46, 185990), (70, 122222), (92, 92995), (115, 74396), (140, 61111), (161, 53140), (230, 37198), (322, 26570), (460, 18599), (644, 13285), (805, 10628), (1610, 5314), (2657, 3220)]