1320803335

素因数分解:

$5^1\times {\mathrm{19}}^4\times {\mathrm{2027}}^1$

素因数の和:2108

約数の個数: 20

約数和(自身を含む): 1673842248

約数和(自身を除く): 353038913

約数列:

[1, 5, 19, 95, 361, 1805, 2027, 6859, 10135, 34295, 38513, 130321, 192565, 651605, 731747, 3658735, 13903193, 69515965, 264160667, 1320803335]

約数ペア:

[(1, 1320803335), (5, 264160667), (19, 69515965), (95, 13903193), (361, 3658735), (1805, 731747), (2027, 651605), (6859, 192565), (10135, 130321), (34295, 38513)]