30040720

素因数分解:

$2^4\times 5^1\times {\mathrm{375509}}^1$

素因数の和:375522

約数の個数: 20

約数和(自身を含む): 69844860

約数和(自身を除く): 39804140

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 375509, 751018, 1502036, 1877545, 3004072, 3755090, 6008144, 7510180, 15020360, 30040720]

約数ペア:

[(1, 30040720), (2, 15020360), (4, 7510180), (5, 6008144), (8, 3755090), (10, 3004072), (16, 1877545), (20, 1502036), (40, 751018), (80, 375509)]