25223500

素因数分解:

$2^2\times 5^3\times {\mathrm{61}}^1\times {\mathrm{827}}^1$

素因数の和:907

約数の個数: 48

約数和(自身を含む): 56058912

約数和(自身を除く): 30835412

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 61, 100, 122, 125, 244, 250, 305, 500, 610, 827, 1220, 1525, 1654, 3050, 3308, 4135, 6100, 7625, 8270, 15250, 16540, 20675, 30500, 41350, 50447, 82700, 100894, 103375, 201788, 206750, 252235, 413500, 504470, 1008940, 1261175, 2522350, 5044700, 6305875, 12611750, 25223500]

約数ペア:

[(1, 25223500), (2, 12611750), (4, 6305875), (5, 5044700), (10, 2522350), (20, 1261175), (25, 1008940), (50, 504470), (61, 413500), (100, 252235), (122, 206750), (125, 201788), (244, 103375), (250, 100894), (305, 82700), (500, 50447), (610, 41350), (827, 30500), (1220, 20675), (1525, 16540), (1654, 15250), (3050, 8270), (3308, 7625), (4135, 6100)]