28520575

素因数分解:

$5^2\times {\mathrm{23}}^1\times {\mathrm{193}}^1\times {\mathrm{257}}^1$

素因数の和:483

約数の個数: 24

約数和(自身を含む): 37238688

約数和(自身を除く): 8718113

約数列:

[1, 5, 23, 25, 115, 193, 257, 575, 965, 1285, 4439, 4825, 5911, 6425, 22195, 29555, 49601, 110975, 147775, 248005, 1140823, 1240025, 5704115, 28520575]

約数ペア:

[(1, 28520575), (5, 5704115), (23, 1240025), (25, 1140823), (115, 248005), (193, 147775), (257, 110975), (575, 49601), (965, 29555), (1285, 22195), (4439, 6425), (4825, 5911)]