12818500

素因数分解:

$2^2\times 5^3\times {\mathrm{31}}^1\times {\mathrm{827}}^1$

素因数の和:877

約数の個数: 48

約数和(自身を含む): 28933632

約数和(自身を除く): 16115132

約数列:

[1, 2, 4, 5, 10, 20, 25, 31, 50, 62, 100, 124, 125, 155, 250, 310, 500, 620, 775, 827, 1550, 1654, 3100, 3308, 3875, 4135, 7750, 8270, 15500, 16540, 20675, 25637, 41350, 51274, 82700, 102548, 103375, 128185, 206750, 256370, 413500, 512740, 640925, 1281850, 2563700, 3204625, 6409250, 12818500]

約数ペア:

[(1, 12818500), (2, 6409250), (4, 3204625), (5, 2563700), (10, 1281850), (20, 640925), (25, 512740), (31, 413500), (50, 256370), (62, 206750), (100, 128185), (124, 103375), (125, 102548), (155, 82700), (250, 51274), (310, 41350), (500, 25637), (620, 20675), (775, 16540), (827, 15500), (1550, 8270), (1654, 7750), (3100, 4135), (3308, 3875)]