21836019080

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{311}}^1\times {\mathrm{33119}}^1$

素因数の和:33494

約数の個数: 64

約数和(自身を含む): 50220518400

約数和(自身を除く): 28384499320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 311, 424, 530, 622, 1060, 1244, 1555, 2120, 2488, 3110, 6220, 12440, 16483, 32966, 33119, 65932, 66238, 82415, 131864, 132476, 164830, 165595, 264952, 329660, 331190, 659320, 662380, 1324760, 1755307, 3510614, 7021228, 8776535, 10300009, 14042456, 17553070, 20600018, 35106140, 41200036, 51500045, 70212280, 82400072, 103000090, 206000180, 412000360, 545900477, 1091800954, 2183601908, 2729502385, 4367203816, 5459004770, 10918009540, 21836019080]

約数ペア:

[(1, 21836019080), (2, 10918009540), (4, 5459004770), (5, 4367203816), (8, 2729502385), (10, 2183601908), (20, 1091800954), (40, 545900477), (53, 412000360), (106, 206000180), (212, 103000090), (265, 82400072), (311, 70212280), (424, 51500045), (530, 41200036), (622, 35106140), (1060, 20600018), (1244, 17553070), (1555, 14042456), (2120, 10300009), (2488, 8776535), (3110, 7021228), (6220, 3510614), (12440, 1755307), (16483, 1324760), (32966, 662380), (33119, 659320), (65932, 331190), (66238, 329660), (82415, 264952), (131864, 165595), (132476, 164830)]