31872025

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{3947}}^1$

素因数の和:3993

約数の個数: 24

約数和(自身を含む): 44059680

約数和(自身を除く): 12187655

約数列:

[1, 5, 17, 19, 25, 85, 95, 323, 425, 475, 1615, 3947, 8075, 19735, 67099, 74993, 98675, 335495, 374965, 1274881, 1677475, 1874825, 6374405, 31872025]

約数ペア:

[(1, 31872025), (5, 6374405), (17, 1874825), (19, 1677475), (25, 1274881), (85, 374965), (95, 335495), (323, 98675), (425, 74993), (475, 67099), (1615, 19735), (3947, 8075)]