21801473920

素因数分解:

$2^7\times 5^1\times {\mathrm{34064803}}^1$

素因数の和:34064822

約数の個数: 32

約数和(自身を含む): 52119150120

約数和(自身を除く): 30317676200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 34064803, 68129606, 136259212, 170324015, 272518424, 340648030, 545036848, 681296060, 1090073696, 1362592120, 2180147392, 2725184240, 4360294784, 5450368480, 10900736960, 21801473920]

約数ペア:

[(1, 21801473920), (2, 10900736960), (4, 5450368480), (5, 4360294784), (8, 2725184240), (10, 2180147392), (16, 1362592120), (20, 1090073696), (32, 681296060), (40, 545036848), (64, 340648030), (80, 272518424), (128, 170324015), (160, 136259212), (320, 68129606), (640, 34064803)]