72580

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{191}}^1$

素因数の和:219

約数の個数: 24

約数和(自身を含む): 161280

約数和(自身を除く): 88700

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 191, 380, 382, 764, 955, 1910, 3629, 3820, 7258, 14516, 18145, 36290, 72580]

約数ペア:

[(1, 72580), (2, 36290), (4, 18145), (5, 14516), (10, 7258), (19, 3820), (20, 3629), (38, 1910), (76, 955), (95, 764), (190, 382), (191, 380)]