2596420

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{991}}^1$

素因数の和:1131

約数の個数: 24

約数和(自身を含む): 5499648

約数和(自身を除く): 2903228

約数列:

[1, 2, 4, 5, 10, 20, 131, 262, 524, 655, 991, 1310, 1982, 2620, 3964, 4955, 9910, 19820, 129821, 259642, 519284, 649105, 1298210, 2596420]

約数ペア:

[(1, 2596420), (2, 1298210), (4, 649105), (5, 519284), (10, 259642), (20, 129821), (131, 19820), (262, 9910), (524, 4955), (655, 3964), (991, 2620), (1310, 1982)]