20149562875

素因数分解:

$5^3\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{113759}}^1$

素因数の和:113896

約数の個数: 32

約数和(自身を含む): 27329702400

約数和(自身を除く): 7180139525

約数列:

[1, 5, 13, 25, 65, 109, 125, 325, 545, 1417, 1625, 2725, 7085, 13625, 35425, 113759, 177125, 568795, 1478867, 2843975, 7394335, 12399731, 14219875, 36971675, 61998655, 161196503, 184858375, 309993275, 805982515, 1549966375, 4029912575, 20149562875]

約数ペア:

[(1, 20149562875), (5, 4029912575), (13, 1549966375), (25, 805982515), (65, 309993275), (109, 184858375), (125, 161196503), (325, 61998655), (545, 36971675), (1417, 14219875), (1625, 12399731), (2725, 7394335), (7085, 2843975), (13625, 1478867), (35425, 568795), (113759, 177125)]