39867700

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{20983}}^1$

素因数の和:21016

約数の個数: 36

約数和(自身を含む): 91070560

約数和(自身を除く): 51202860

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 190, 380, 475, 950, 1900, 20983, 41966, 83932, 104915, 209830, 398677, 419660, 524575, 797354, 1049150, 1594708, 1993385, 2098300, 3986770, 7973540, 9966925, 19933850, 39867700]

約数ペア:

[(1, 39867700), (2, 19933850), (4, 9966925), (5, 7973540), (10, 3986770), (19, 2098300), (20, 1993385), (25, 1594708), (38, 1049150), (50, 797354), (76, 524575), (95, 419660), (100, 398677), (190, 209830), (380, 104915), (475, 83932), (950, 41966), (1900, 20983)]