142712720

素因数分解:

$2^4\times 5^1\times {\mathrm{431}}^1\times {\mathrm{4139}}^1$

素因数の和:4583

約数の個数: 40

約数和(自身を含む): 332657280

約数和(自身を除く): 189944560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 431, 862, 1724, 2155, 3448, 4139, 4310, 6896, 8278, 8620, 16556, 17240, 20695, 33112, 34480, 41390, 66224, 82780, 165560, 331120, 1783909, 3567818, 7135636, 8919545, 14271272, 17839090, 28542544, 35678180, 71356360, 142712720]

約数ペア:

[(1, 142712720), (2, 71356360), (4, 35678180), (5, 28542544), (8, 17839090), (10, 14271272), (16, 8919545), (20, 7135636), (40, 3567818), (80, 1783909), (431, 331120), (862, 165560), (1724, 82780), (2155, 66224), (3448, 41390), (4139, 34480), (4310, 33112), (6896, 20695), (8278, 17240), (8620, 16556)]