67990840

素因数分解:

$2^3\times 5^1\times {\mathrm{181}}^1\times {\mathrm{9391}}^1$

素因数の和:9583

約数の個数: 32

約数和(自身を含む): 153840960

約数和(自身を除く): 85850120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 181, 362, 724, 905, 1448, 1810, 3620, 7240, 9391, 18782, 37564, 46955, 75128, 93910, 187820, 375640, 1699771, 3399542, 6799084, 8498855, 13598168, 16997710, 33995420, 67990840]

約数ペア:

[(1, 67990840), (2, 33995420), (4, 16997710), (5, 13598168), (8, 8498855), (10, 6799084), (20, 3399542), (40, 1699771), (181, 375640), (362, 187820), (724, 93910), (905, 75128), (1448, 46955), (1810, 37564), (3620, 18782), (7240, 9391)]