129020020

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{2063}}^1$

素因数の和:2184

約数の個数: 48

約数和(自身を含む): 280869120

約数和(自身を除く): 151849100

約数列:

[1, 2, 4, 5, 10, 20, 53, 59, 106, 118, 212, 236, 265, 295, 530, 590, 1060, 1180, 2063, 3127, 4126, 6254, 8252, 10315, 12508, 15635, 20630, 31270, 41260, 62540, 109339, 121717, 218678, 243434, 437356, 486868, 546695, 608585, 1093390, 1217170, 2186780, 2434340, 6451001, 12902002, 25804004, 32255005, 64510010, 129020020]

約数ペア:

[(1, 129020020), (2, 64510010), (4, 32255005), (5, 25804004), (10, 12902002), (20, 6451001), (53, 2434340), (59, 2186780), (106, 1217170), (118, 1093390), (212, 608585), (236, 546695), (265, 486868), (295, 437356), (530, 243434), (590, 218678), (1060, 121717), (1180, 109339), (2063, 62540), (3127, 41260), (4126, 31270), (6254, 20630), (8252, 15635), (10315, 12508)]