5157890

素因数分解:

$2^1\times 5^1\times {\mathrm{419}}^1\times {\mathrm{1231}}^1$

素因数の和:1657

約数の個数: 16

約数和(自身を含む): 9313920

約数和(自身を除く): 4156030

約数列:

[1, 2, 5, 10, 419, 838, 1231, 2095, 2462, 4190, 6155, 12310, 515789, 1031578, 2578945, 5157890]

約数ペア:

[(1, 5157890), (2, 2578945), (5, 1031578), (10, 515789), (419, 12310), (838, 6155), (1231, 4190), (2095, 2462)]