39899425

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{269}}^1\times {\mathrm{349}}^1$

素因数の和:645

約数の個数: 24

約数和(自身を含む): 52731000

約数和(自身を除く): 12831575

約数列:

[1, 5, 17, 25, 85, 269, 349, 425, 1345, 1745, 4573, 5933, 6725, 8725, 22865, 29665, 93881, 114325, 148325, 469405, 1595977, 2347025, 7979885, 39899425]

約数ペア:

[(1, 39899425), (5, 7979885), (17, 2347025), (25, 1595977), (85, 469405), (269, 148325), (349, 114325), (425, 93881), (1345, 29665), (1745, 22865), (4573, 8725), (5933, 6725)]