78836000

素因数分解:

$2^5\times 5^3\times {\mathrm{19709}}^1$

素因数の和:19734

約数の個数: 48

約数和(自身を含む): 193709880

約数和(自身を除く): 114873880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 125, 160, 200, 250, 400, 500, 800, 1000, 2000, 4000, 19709, 39418, 78836, 98545, 157672, 197090, 315344, 394180, 492725, 630688, 788360, 985450, 1576720, 1970900, 2463625, 3153440, 3941800, 4927250, 7883600, 9854500, 15767200, 19709000, 39418000, 78836000]

約数ペア:

[(1, 78836000), (2, 39418000), (4, 19709000), (5, 15767200), (8, 9854500), (10, 7883600), (16, 4927250), (20, 3941800), (25, 3153440), (32, 2463625), (40, 1970900), (50, 1576720), (80, 985450), (100, 788360), (125, 630688), (160, 492725), (200, 394180), (250, 315344), (400, 197090), (500, 157672), (800, 98545), (1000, 78836), (2000, 39418), (4000, 19709)]