38920375

素因数分解:

$5^3\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{557}}^1$

素因数の和:628

約数の個数: 32

約数和(自身を含む): 53621568

約数和(自身を除く): 14701193

約数列:

[1, 5, 13, 25, 43, 65, 125, 215, 325, 557, 559, 1075, 1625, 2785, 2795, 5375, 7241, 13925, 13975, 23951, 36205, 69625, 69875, 119755, 181025, 311363, 598775, 905125, 1556815, 2993875, 7784075, 38920375]

約数ペア:

[(1, 38920375), (5, 7784075), (13, 2993875), (25, 1556815), (43, 905125), (65, 598775), (125, 311363), (215, 181025), (325, 119755), (557, 69875), (559, 69625), (1075, 36205), (1625, 23951), (2785, 13975), (2795, 13925), (5375, 7241)]