28017625

素因数分解:

$5^3\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{131}}^1$

素因数の和:234

約数の個数: 32

約数和(自身を含む): 37065600

約数和(自身を除く): 9047975

約数列:

[1, 5, 25, 29, 59, 125, 131, 145, 295, 655, 725, 1475, 1711, 3275, 3625, 3799, 7375, 7729, 8555, 16375, 18995, 38645, 42775, 94975, 193225, 213875, 224141, 474875, 966125, 1120705, 5603525, 28017625]

約数ペア:

[(1, 28017625), (5, 5603525), (25, 1120705), (29, 966125), (59, 474875), (125, 224141), (131, 213875), (145, 193225), (295, 94975), (655, 42775), (725, 38645), (1475, 18995), (1711, 16375), (3275, 8555), (3625, 7729), (3799, 7375)]