64441540

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{169583}}^1$

素因数の和:169611

約数の個数: 24

約数和(自身を含む): 142450560

約数和(自身を除く): 78009020

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 169583, 339166, 678332, 847915, 1695830, 3222077, 3391660, 6444154, 12888308, 16110385, 32220770, 64441540]

約数ペア:

[(1, 64441540), (2, 32220770), (4, 16110385), (5, 12888308), (10, 6444154), (19, 3391660), (20, 3222077), (38, 1695830), (76, 847915), (95, 678332), (190, 339166), (380, 169583)]