50390000

素因数分解:

$2^4\times 5^4\times {\mathrm{5039}}^1$

素因数の和:5067

約数の個数: 50

約数和(自身を含む): 122023440

約数和(自身を除く): 71633440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 400, 500, 625, 1000, 1250, 2000, 2500, 5000, 5039, 10000, 10078, 20156, 25195, 40312, 50390, 80624, 100780, 125975, 201560, 251950, 403120, 503900, 629875, 1007800, 1259750, 2015600, 2519500, 3149375, 5039000, 6298750, 10078000, 12597500, 25195000, 50390000]

約数ペア:

[(1, 50390000), (2, 25195000), (4, 12597500), (5, 10078000), (8, 6298750), (10, 5039000), (16, 3149375), (20, 2519500), (25, 2015600), (40, 1259750), (50, 1007800), (80, 629875), (100, 503900), (125, 403120), (200, 251950), (250, 201560), (400, 125975), (500, 100780), (625, 80624), (1000, 50390), (1250, 40312), (2000, 25195), (2500, 20156), (5000, 10078), (5039, 10000)]