39881425

素因数分解:

$5^2\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{1613}}^1$

素因数の和:1689

約数の個数: 24

約数和(自身を含む): 52835904

約数和(自身を除く): 12954479

約数列:

[1, 5, 23, 25, 43, 115, 215, 575, 989, 1075, 1613, 4945, 8065, 24725, 37099, 40325, 69359, 185495, 346795, 927475, 1595257, 1733975, 7976285, 39881425]

約数ペア:

[(1, 39881425), (5, 7976285), (23, 1733975), (25, 1595257), (43, 927475), (115, 346795), (215, 185495), (575, 69359), (989, 40325), (1075, 37099), (1613, 24725), (4945, 8065)]