9219920

素因数分解:

$2^4\times 5^1\times {\mathrm{115249}}^1$

素因数の和:115262

約数の個数: 20

約数和(自身を含む): 21436500

約数和(自身を除く): 12216580

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 115249, 230498, 460996, 576245, 921992, 1152490, 1843984, 2304980, 4609960, 9219920]

約数ペア:

[(1, 9219920), (2, 4609960), (4, 2304980), (5, 1843984), (8, 1152490), (10, 921992), (16, 576245), (20, 460996), (40, 230498), (80, 115249)]