30481520

素因数分解:

$2^4\times 5^1\times {\mathrm{381019}}^1$

素因数の和:381032

約数の個数: 20

約数和(自身を含む): 70869720

約数和(自身を除く): 40388200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 381019, 762038, 1524076, 1905095, 3048152, 3810190, 6096304, 7620380, 15240760, 30481520]

約数ペア:

[(1, 30481520), (2, 15240760), (4, 7620380), (5, 6096304), (8, 3810190), (10, 3048152), (16, 1905095), (20, 1524076), (40, 762038), (80, 381019)]