80542520

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{105977}}^1$

素因数の和:106007

約数の個数: 32

約数和(自身を含む): 190760400

約数和(自身を除く): 110217880

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 105977, 211954, 423908, 529885, 847816, 1059770, 2013563, 2119540, 4027126, 4239080, 8054252, 10067815, 16108504, 20135630, 40271260, 80542520]

約数ペア:

[(1, 80542520), (2, 40271260), (4, 20135630), (5, 16108504), (8, 10067815), (10, 8054252), (19, 4239080), (20, 4027126), (38, 2119540), (40, 2013563), (76, 1059770), (95, 847816), (152, 529885), (190, 423908), (380, 211954), (760, 105977)]