78916000

素因数分解:

$2^5\times 5^3\times {\mathrm{109}}^1\times {\mathrm{181}}^1$

素因数の和:315

約数の個数: 96

約数和(自身を含む): 196756560

約数和(自身を除く): 117840560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 109, 125, 160, 181, 200, 218, 250, 362, 400, 436, 500, 545, 724, 800, 872, 905, 1000, 1090, 1448, 1744, 1810, 2000, 2180, 2725, 2896, 3488, 3620, 4000, 4360, 4525, 5450, 5792, 7240, 8720, 9050, 10900, 13625, 14480, 17440, 18100, 19729, 21800, 22625, 27250, 28960, 36200, 39458, 43600, 45250, 54500, 72400, 78916, 87200, 90500, 98645, 109000, 144800, 157832, 181000, 197290, 218000, 315664, 362000, 394580, 436000, 493225, 631328, 724000, 789160, 986450, 1578320, 1972900, 2466125, 3156640, 3945800, 4932250, 7891600, 9864500, 15783200, 19729000, 39458000, 78916000]

約数ペア:

[(1, 78916000), (2, 39458000), (4, 19729000), (5, 15783200), (8, 9864500), (10, 7891600), (16, 4932250), (20, 3945800), (25, 3156640), (32, 2466125), (40, 1972900), (50, 1578320), (80, 986450), (100, 789160), (109, 724000), (125, 631328), (160, 493225), (181, 436000), (200, 394580), (218, 362000), (250, 315664), (362, 218000), (400, 197290), (436, 181000), (500, 157832), (545, 144800), (724, 109000), (800, 98645), (872, 90500), (905, 87200), (1000, 78916), (1090, 72400), (1448, 54500), (1744, 45250), (1810, 43600), (2000, 39458), (2180, 36200), (2725, 28960), (2896, 27250), (3488, 22625), (3620, 21800), (4000, 19729), (4360, 18100), (4525, 17440), (5450, 14480), (5792, 13625), (7240, 10900), (8720, 9050)]