1330448720

素因数分解:

$2^4\times 5^1\times {\mathrm{16630609}}^1$

素因数の和:16630622

約数の個数: 20

約数和(自身を含む): 3093293460

約数和(自身を除く): 1762844740

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 16630609, 33261218, 66522436, 83153045, 133044872, 166306090, 266089744, 332612180, 665224360, 1330448720]

約数ペア:

[(1, 1330448720), (2, 665224360), (4, 332612180), (5, 266089744), (8, 166306090), (10, 133044872), (16, 83153045), (20, 66522436), (40, 33261218), (80, 16630609)]