2051280055

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{317}}^1\times {\mathrm{4057}}^1$

素因数の和:4419

約数の個数: 32

約数和(自身を含む): 2787359040

約数和(自身を除く): 736078985

約数列:

[1, 5, 11, 29, 55, 145, 317, 319, 1585, 1595, 3487, 4057, 9193, 17435, 20285, 44627, 45965, 101123, 117653, 223135, 505615, 588265, 1286069, 1294183, 6430345, 6470915, 14146759, 37296001, 70733795, 186480005, 410256011, 2051280055]

約数ペア:

[(1, 2051280055), (5, 410256011), (11, 186480005), (29, 70733795), (55, 37296001), (145, 14146759), (317, 6470915), (319, 6430345), (1585, 1294183), (1595, 1286069), (3487, 588265), (4057, 505615), (9193, 223135), (17435, 117653), (20285, 101123), (44627, 45965)]