66979180

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{176261}}^1$

素因数の和:176289

約数の個数: 24

約数和(自身を含む): 148060080

約数和(自身を除く): 81080900

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 176261, 352522, 705044, 881305, 1762610, 3348959, 3525220, 6697918, 13395836, 16744795, 33489590, 66979180]

約数ペア:

[(1, 66979180), (2, 33489590), (4, 16744795), (5, 13395836), (10, 6697918), (19, 3525220), (20, 3348959), (38, 1762610), (76, 881305), (95, 705044), (190, 352522), (380, 176261)]