51128620

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{857}}^1$

素因数の和:1042

約数の個数: 48

約数和(自身を含む): 113873760

約数和(自身を除く): 62745140

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 157, 190, 314, 380, 628, 785, 857, 1570, 1714, 2983, 3140, 3428, 4285, 5966, 8570, 11932, 14915, 16283, 17140, 29830, 32566, 59660, 65132, 81415, 134549, 162830, 269098, 325660, 538196, 672745, 1345490, 2556431, 2690980, 5112862, 10225724, 12782155, 25564310, 51128620]

約数ペア:

[(1, 51128620), (2, 25564310), (4, 12782155), (5, 10225724), (10, 5112862), (19, 2690980), (20, 2556431), (38, 1345490), (76, 672745), (95, 538196), (157, 325660), (190, 269098), (314, 162830), (380, 134549), (628, 81415), (785, 65132), (857, 59660), (1570, 32566), (1714, 29830), (2983, 17140), (3140, 16283), (3428, 14915), (4285, 11932), (5966, 8570)]