816960020

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{13063}}^1$

素因数の和:13184

約数の個数: 48

約数和(自身を含む): 1777749120

約数和(自身を除く): 960789100

約数列:

[1, 2, 4, 5, 10, 20, 53, 59, 106, 118, 212, 236, 265, 295, 530, 590, 1060, 1180, 3127, 6254, 12508, 13063, 15635, 26126, 31270, 52252, 62540, 65315, 130630, 261260, 692339, 770717, 1384678, 1541434, 2769356, 3082868, 3461695, 3853585, 6923390, 7707170, 13846780, 15414340, 40848001, 81696002, 163392004, 204240005, 408480010, 816960020]

約数ペア:

[(1, 816960020), (2, 408480010), (4, 204240005), (5, 163392004), (10, 81696002), (20, 40848001), (53, 15414340), (59, 13846780), (106, 7707170), (118, 6923390), (212, 3853585), (236, 3461695), (265, 3082868), (295, 2769356), (530, 1541434), (590, 1384678), (1060, 770717), (1180, 692339), (3127, 261260), (6254, 130630), (12508, 65315), (13063, 62540), (15635, 52252), (26126, 31270)]