128954600

素因数分解:

$2^3\times 5^2\times {\mathrm{797}}^1\times {\mathrm{809}}^1$

素因数の和:1622

約数の個数: 48

約数和(自身を含む): 300566700

約数和(自身を除く): 171612100

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 797, 809, 1594, 1618, 3188, 3236, 3985, 4045, 6376, 6472, 7970, 8090, 15940, 16180, 19925, 20225, 31880, 32360, 39850, 40450, 79700, 80900, 159400, 161800, 644773, 1289546, 2579092, 3223865, 5158184, 6447730, 12895460, 16119325, 25790920, 32238650, 64477300, 128954600]

約数ペア:

[(1, 128954600), (2, 64477300), (4, 32238650), (5, 25790920), (8, 16119325), (10, 12895460), (20, 6447730), (25, 5158184), (40, 3223865), (50, 2579092), (100, 1289546), (200, 644773), (797, 161800), (809, 159400), (1594, 80900), (1618, 79700), (3188, 40450), (3236, 39850), (3985, 32360), (4045, 31880), (6376, 20225), (6472, 19925), (7970, 16180), (8090, 15940)]