9681520

素因数分解:

$2^4\times 5^1\times {\mathrm{121019}}^1$

素因数の和:121032

約数の個数: 20

約数和(自身を含む): 22509720

約数和(自身を除く): 12828200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 121019, 242038, 484076, 605095, 968152, 1210190, 1936304, 2420380, 4840760, 9681520]

約数ペア:

[(1, 9681520), (2, 4840760), (4, 2420380), (5, 1936304), (8, 1210190), (10, 968152), (16, 605095), (20, 484076), (40, 242038), (80, 121019)]