78992000

素因数分解:

$2^7\times 5^3\times {\mathrm{4937}}^1$

素因数の和:4966

約数の個数: 64

約数和(自身を含む): 196433640

約数和(自身を除く): 117441640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 125, 128, 160, 200, 250, 320, 400, 500, 640, 800, 1000, 1600, 2000, 3200, 4000, 4937, 8000, 9874, 16000, 19748, 24685, 39496, 49370, 78992, 98740, 123425, 157984, 197480, 246850, 315968, 394960, 493700, 617125, 631936, 789920, 987400, 1234250, 1579840, 1974800, 2468500, 3159680, 3949600, 4937000, 7899200, 9874000, 15798400, 19748000, 39496000, 78992000]

約数ペア:

[(1, 78992000), (2, 39496000), (4, 19748000), (5, 15798400), (8, 9874000), (10, 7899200), (16, 4937000), (20, 3949600), (25, 3159680), (32, 2468500), (40, 1974800), (50, 1579840), (64, 1234250), (80, 987400), (100, 789920), (125, 631936), (128, 617125), (160, 493700), (200, 394960), (250, 315968), (320, 246850), (400, 197480), (500, 157984), (640, 123425), (800, 98740), (1000, 78992), (1600, 49370), (2000, 39496), (3200, 24685), (4000, 19748), (4937, 16000), (8000, 9874)]