15400475

素因数分解:

$5^2\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{197}}^1$

素因数の和:319

約数の個数: 24

約数和(自身を含む): 19887120

約数和(自身を除く): 4486645

約数列:

[1, 5, 25, 53, 59, 197, 265, 295, 985, 1325, 1475, 3127, 4925, 10441, 11623, 15635, 52205, 58115, 78175, 261025, 290575, 616019, 3080095, 15400475]

約数ペア:

[(1, 15400475), (5, 3080095), (25, 616019), (53, 290575), (59, 261025), (197, 78175), (265, 58115), (295, 52205), (985, 15635), (1325, 11623), (1475, 10441), (3127, 4925)]