39986125

素因数分解:

$5^3\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{607}}^1$

素因数の和:670

約数の個数: 32

約数和(自身を含む): 54632448

約数和(自身を除く): 14646323

約数列:

[1, 5, 17, 25, 31, 85, 125, 155, 425, 527, 607, 775, 2125, 2635, 3035, 3875, 10319, 13175, 15175, 18817, 51595, 65875, 75875, 94085, 257975, 319889, 470425, 1289875, 1599445, 2352125, 7997225, 39986125]

約数ペア:

[(1, 39986125), (5, 7997225), (17, 2352125), (25, 1599445), (31, 1289875), (85, 470425), (125, 319889), (155, 257975), (425, 94085), (527, 75875), (607, 65875), (775, 51595), (2125, 18817), (2635, 15175), (3035, 13175), (3875, 10319)]