4088001520

素因数分解:

$2^4\times 5^1\times {\mathrm{51100019}}^1$

素因数の和:51100032

約数の個数: 20

約数和(自身を含む): 9504603720

約数和(自身を除く): 5416602200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 51100019, 102200038, 204400076, 255500095, 408800152, 511000190, 817600304, 1022000380, 2044000760, 4088001520]

約数ペア:

[(1, 4088001520), (2, 2044000760), (4, 1022000380), (5, 817600304), (8, 511000190), (10, 408800152), (16, 255500095), (20, 204400076), (40, 102200038), (80, 51100019)]