25980980

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{68371}}^1$

素因数の和:68399

約数の個数: 24

約数和(自身を含む): 57432480

約数和(自身を除く): 31451500

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 68371, 136742, 273484, 341855, 683710, 1299049, 1367420, 2598098, 5196196, 6495245, 12990490, 25980980]

約数ペア:

[(1, 25980980), (2, 12990490), (4, 6495245), (5, 5196196), (10, 2598098), (19, 1367420), (20, 1299049), (38, 683710), (76, 341855), (95, 273484), (190, 136742), (380, 68371)]