2228001520

素因数分解:

$2^4\times 5^1\times {\mathrm{27850019}}^1$

素因数の和:27850032

約数の個数: 20

約数和(自身を含む): 5180103720

約数和(自身を除く): 2952102200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 27850019, 55700038, 111400076, 139250095, 222800152, 278500190, 445600304, 557000380, 1114000760, 2228001520]

約数ペア:

[(1, 2228001520), (2, 1114000760), (4, 557000380), (5, 445600304), (8, 278500190), (10, 222800152), (16, 139250095), (20, 111400076), (40, 55700038), (80, 27850019)]