256932020

素因数分解:

$2^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{217739}}^1$

素因数の和:217807

約数の個数: 24

約数和(自身を含む): 548704800

約数和(自身を除く): 291772780

約数列:

[1, 2, 4, 5, 10, 20, 59, 118, 236, 295, 590, 1180, 217739, 435478, 870956, 1088695, 2177390, 4354780, 12846601, 25693202, 51386404, 64233005, 128466010, 256932020]

約数ペア:

[(1, 256932020), (2, 128466010), (4, 64233005), (5, 51386404), (10, 25693202), (20, 12846601), (59, 4354780), (118, 2177390), (236, 1088695), (295, 870956), (590, 435478), (1180, 217739)]