1320290

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{4259}}^1$

素因数の和:4297

約数の個数: 16

約数和(自身を含む): 2453760

約数和(自身を除く): 1133470

約数列:

[1, 2, 5, 10, 31, 62, 155, 310, 4259, 8518, 21295, 42590, 132029, 264058, 660145, 1320290]

約数ペア:

[(1, 1320290), (2, 660145), (5, 264058), (10, 132029), (31, 42590), (62, 21295), (155, 8518), (310, 4259)]