25051120

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{16481}}^1$

素因数の和:16513

約数の個数: 40

約数和(自身を含む): 61313040

約数和(自身を除く): 36261920

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 16481, 32962, 65924, 82405, 131848, 164810, 263696, 313139, 329620, 626278, 659240, 1252556, 1318480, 1565695, 2505112, 3131390, 5010224, 6262780, 12525560, 25051120]

約数ペア:

[(1, 25051120), (2, 12525560), (4, 6262780), (5, 5010224), (8, 3131390), (10, 2505112), (16, 1565695), (19, 1318480), (20, 1252556), (38, 659240), (40, 626278), (76, 329620), (80, 313139), (95, 263696), (152, 164810), (190, 131848), (304, 82405), (380, 65924), (760, 32962), (1520, 16481)]