31900075

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{1597}}^1$

素因数の和:1671

約数の個数: 24

約数和(自身を含む): 42800832

約数和(自身を除く): 10900757

約数列:

[1, 5, 17, 25, 47, 85, 235, 425, 799, 1175, 1597, 3995, 7985, 19975, 27149, 39925, 75059, 135745, 375295, 678725, 1276003, 1876475, 6380015, 31900075]

約数ペア:

[(1, 31900075), (5, 6380015), (17, 1876475), (25, 1276003), (47, 678725), (85, 375295), (235, 135745), (425, 75059), (799, 39925), (1175, 27149), (1597, 19975), (3995, 7985)]