28587250

素因数分解:

$2^1\times 5^3\times {\mathrm{41}}^1\times {\mathrm{2789}}^1$

素因数の和:2847

約数の個数: 32

約数和(自身を含む): 54840240

約数和(自身を除く): 26252990

約数列:

[1, 2, 5, 10, 25, 41, 50, 82, 125, 205, 250, 410, 1025, 2050, 2789, 5125, 5578, 10250, 13945, 27890, 69725, 114349, 139450, 228698, 348625, 571745, 697250, 1143490, 2858725, 5717450, 14293625, 28587250]

約数ペア:

[(1, 28587250), (2, 14293625), (5, 5717450), (10, 2858725), (25, 1143490), (41, 697250), (50, 571745), (82, 348625), (125, 228698), (205, 139450), (250, 114349), (410, 69725), (1025, 27890), (2050, 13945), (2789, 10250), (5125, 5578)]