49999625

素因数分解:

$5^3\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{1061}}^1$

素因数の和:1118

約数の個数: 32

約数和(自身を含む): 69582240

約数和(自身を除く): 19582615

約数列:

[1, 5, 13, 25, 29, 65, 125, 145, 325, 377, 725, 1061, 1625, 1885, 3625, 5305, 9425, 13793, 26525, 30769, 47125, 68965, 132625, 153845, 344825, 399997, 769225, 1724125, 1999985, 3846125, 9999925, 49999625]

約数ペア:

[(1, 49999625), (5, 9999925), (13, 3846125), (25, 1999985), (29, 1724125), (65, 769225), (125, 399997), (145, 344825), (325, 153845), (377, 132625), (725, 68965), (1061, 47125), (1625, 30769), (1885, 26525), (3625, 13793), (5305, 9425)]