8820028

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{281}}^1$

素因数の和:370

約数の個数: 48

約数和(自身を含む): 18950400

約数和(自身を除く): 10130372

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 59, 76, 118, 133, 236, 266, 281, 413, 532, 562, 826, 1121, 1124, 1652, 1967, 2242, 3934, 4484, 5339, 7847, 7868, 10678, 15694, 16579, 21356, 31388, 33158, 37373, 66316, 74746, 116053, 149492, 232106, 315001, 464212, 630002, 1260004, 2205007, 4410014, 8820028]

約数ペア:

[(1, 8820028), (2, 4410014), (4, 2205007), (7, 1260004), (14, 630002), (19, 464212), (28, 315001), (38, 232106), (59, 149492), (76, 116053), (118, 74746), (133, 66316), (236, 37373), (266, 33158), (281, 31388), (413, 21356), (532, 16579), (562, 15694), (826, 10678), (1121, 7868), (1124, 7847), (1652, 5339), (1967, 4484), (2242, 3934)]