78968275

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{2003}}^1$

素因数の和:2115

約数の個数: 24

約数和(自身を含む): 104368320

約数和(自身を除く): 25400045

約数列:

[1, 5, 19, 25, 83, 95, 415, 475, 1577, 2003, 2075, 7885, 10015, 38057, 39425, 50075, 166249, 190285, 831245, 951425, 3158731, 4156225, 15793655, 78968275]

約数ペア:

[(1, 78968275), (5, 15793655), (19, 4156225), (25, 3158731), (83, 951425), (95, 831245), (415, 190285), (475, 166249), (1577, 50075), (2003, 39425), (2075, 38057), (7885, 10015)]