2018740000

素因数分解:

$2^5\times 5^4\times {\mathrm{100937}}^1$

素因数の和:100967

約数の個数: 60

約数和(自身を含む): 4966452414

約数和(自身を除く): 2947712414

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 125, 160, 200, 250, 400, 500, 625, 800, 1000, 1250, 2000, 2500, 4000, 5000, 10000, 20000, 100937, 201874, 403748, 504685, 807496, 1009370, 1614992, 2018740, 2523425, 3229984, 4037480, 5046850, 8074960, 10093700, 12617125, 16149920, 20187400, 25234250, 40374800, 50468500, 63085625, 80749600, 100937000, 126171250, 201874000, 252342500, 403748000, 504685000, 1009370000, 2018740000]

約数ペア:

[(1, 2018740000), (2, 1009370000), (4, 504685000), (5, 403748000), (8, 252342500), (10, 201874000), (16, 126171250), (20, 100937000), (25, 80749600), (32, 63085625), (40, 50468500), (50, 40374800), (80, 25234250), (100, 20187400), (125, 16149920), (160, 12617125), (200, 10093700), (250, 8074960), (400, 5046850), (500, 4037480), (625, 3229984), (800, 2523425), (1000, 2018740), (1250, 1614992), (2000, 1009370), (2500, 807496), (4000, 504685), (5000, 403748), (10000, 201874), (20000, 100937)]