40017800

素因数分解:

$2^3\times 5^2\times {\mathrm{19}}^1\times {\mathrm{10531}}^1$

素因数の和:10566

約数の個数: 48

約数和(自身を含む): 97947600

約数和(自身を除く): 57929800

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 25, 38, 40, 50, 76, 95, 100, 152, 190, 200, 380, 475, 760, 950, 1900, 3800, 10531, 21062, 42124, 52655, 84248, 105310, 200089, 210620, 263275, 400178, 421240, 526550, 800356, 1000445, 1053100, 1600712, 2000890, 2106200, 4001780, 5002225, 8003560, 10004450, 20008900, 40017800]

約数ペア:

[(1, 40017800), (2, 20008900), (4, 10004450), (5, 8003560), (8, 5002225), (10, 4001780), (19, 2106200), (20, 2000890), (25, 1600712), (38, 1053100), (40, 1000445), (50, 800356), (76, 526550), (95, 421240), (100, 400178), (152, 263275), (190, 210620), (200, 200089), (380, 105310), (475, 84248), (760, 52655), (950, 42124), (1900, 21062), (3800, 10531)]