38961875

素因数分解:

$5^4\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{193}}^1$

素因数の和:249

約数の個数: 40

約数和(自身を含む): 54545040

約数和(自身を除く): 15583165

約数列:

[1, 5, 17, 19, 25, 85, 95, 125, 193, 323, 425, 475, 625, 965, 1615, 2125, 2375, 3281, 3667, 4825, 8075, 10625, 11875, 16405, 18335, 24125, 40375, 62339, 82025, 91675, 120625, 201875, 311695, 410125, 458375, 1558475, 2050625, 2291875, 7792375, 38961875]

約数ペア:

[(1, 38961875), (5, 7792375), (17, 2291875), (19, 2050625), (25, 1558475), (85, 458375), (95, 410125), (125, 311695), (193, 201875), (323, 120625), (425, 91675), (475, 82025), (625, 62339), (965, 40375), (1615, 24125), (2125, 18335), (2375, 16405), (3281, 11875), (3667, 10625), (4825, 8075)]