27656875

素因数分解:

$5^4\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1$

素因数の和:193

約数の個数: 40

約数和(自身を含む): 38800080

約数和(自身を除く): 11143205

約数列:

[1, 5, 17, 19, 25, 85, 95, 125, 137, 323, 425, 475, 625, 685, 1615, 2125, 2329, 2375, 2603, 3425, 8075, 10625, 11645, 11875, 13015, 17125, 40375, 44251, 58225, 65075, 85625, 201875, 221255, 291125, 325375, 1106275, 1455625, 1626875, 5531375, 27656875]

約数ペア:

[(1, 27656875), (5, 5531375), (17, 1626875), (19, 1455625), (25, 1106275), (85, 325375), (95, 291125), (125, 221255), (137, 201875), (323, 85625), (425, 65075), (475, 58225), (625, 44251), (685, 40375), (1615, 17125), (2125, 13015), (2329, 11875), (2375, 11645), (2603, 10625), (3425, 8075)]