39131000

素因数分解:

$2^3\times 5^3\times {\mathrm{109}}^1\times {\mathrm{359}}^1$

素因数の和:489

約数の個数: 64

約数和(自身を含む): 92664000

約数和(自身を除く): 53533000

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 109, 125, 200, 218, 250, 359, 436, 500, 545, 718, 872, 1000, 1090, 1436, 1795, 2180, 2725, 2872, 3590, 4360, 5450, 7180, 8975, 10900, 13625, 14360, 17950, 21800, 27250, 35900, 39131, 44875, 54500, 71800, 78262, 89750, 109000, 156524, 179500, 195655, 313048, 359000, 391310, 782620, 978275, 1565240, 1956550, 3913100, 4891375, 7826200, 9782750, 19565500, 39131000]

約数ペア:

[(1, 39131000), (2, 19565500), (4, 9782750), (5, 7826200), (8, 4891375), (10, 3913100), (20, 1956550), (25, 1565240), (40, 978275), (50, 782620), (100, 391310), (109, 359000), (125, 313048), (200, 195655), (218, 179500), (250, 156524), (359, 109000), (436, 89750), (500, 78262), (545, 71800), (718, 54500), (872, 44875), (1000, 39131), (1090, 35900), (1436, 27250), (1795, 21800), (2180, 17950), (2725, 14360), (2872, 13625), (3590, 10900), (4360, 8975), (5450, 7180)]