8201840

素因数分解:

$2^4\times 5^1\times {\mathrm{102523}}^1$

素因数の和:102536

約数の個数: 20

約数和(自身を含む): 19069464

約数和(自身を除く): 10867624

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 102523, 205046, 410092, 512615, 820184, 1025230, 1640368, 2050460, 4100920, 8201840]

約数ペア:

[(1, 8201840), (2, 4100920), (4, 2050460), (5, 1640368), (8, 1025230), (10, 820184), (16, 512615), (20, 410092), (40, 205046), (80, 102523)]