28251130

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{113}}^1\times {\mathrm{1087}}^1$

素因数の和:1230

約数の個数: 32

約数和(自身を含む): 53581824

約数和(自身を除く): 25330694

約数列:

[1, 2, 5, 10, 23, 46, 113, 115, 226, 230, 565, 1087, 1130, 2174, 2599, 5198, 5435, 10870, 12995, 25001, 25990, 50002, 122831, 125005, 245662, 250010, 614155, 1228310, 2825113, 5650226, 14125565, 28251130]

約数ペア:

[(1, 28251130), (2, 14125565), (5, 5650226), (10, 2825113), (23, 1228310), (46, 614155), (113, 250010), (115, 245662), (226, 125005), (230, 122831), (565, 50002), (1087, 25990), (1130, 25001), (2174, 12995), (2599, 10870), (5198, 5435)]