30316040

素因数分解:

$2^3\times 5^1\times {\mathrm{509}}^1\times {\mathrm{1489}}^1$

素因数の和:2009

約数の個数: 32

約数和(自身を含む): 68391000

約数和(自身を除く): 38074960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 509, 1018, 1489, 2036, 2545, 2978, 4072, 5090, 5956, 7445, 10180, 11912, 14890, 20360, 29780, 59560, 757901, 1515802, 3031604, 3789505, 6063208, 7579010, 15158020, 30316040]

約数ペア:

[(1, 30316040), (2, 15158020), (4, 7579010), (5, 6063208), (8, 3789505), (10, 3031604), (20, 1515802), (40, 757901), (509, 59560), (1018, 29780), (1489, 20360), (2036, 14890), (2545, 11912), (2978, 10180), (4072, 7445), (5090, 5956)]