64252775

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{109}}^1$

素因数の和:228

約数の個数: 48

約数和(自身を含む): 90842400

約数和(自身を除く): 26589625

約数列:

[1, 5, 17, 19, 25, 73, 85, 95, 109, 323, 365, 425, 475, 545, 1241, 1387, 1615, 1825, 1853, 2071, 2725, 6205, 6935, 7957, 8075, 9265, 10355, 23579, 31025, 34675, 35207, 39785, 46325, 51775, 117895, 135269, 151183, 176035, 198925, 589475, 676345, 755915, 880175, 2570111, 3381725, 3779575, 12850555, 64252775]

約数ペア:

[(1, 64252775), (5, 12850555), (17, 3779575), (19, 3381725), (25, 2570111), (73, 880175), (85, 755915), (95, 676345), (109, 589475), (323, 198925), (365, 176035), (425, 151183), (475, 135269), (545, 117895), (1241, 51775), (1387, 46325), (1615, 39785), (1825, 35207), (1853, 34675), (2071, 31025), (2725, 23579), (6205, 10355), (6935, 9265), (7957, 8075)]