13311940

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{673}}^1$

素因数の和:748

約数の個数: 48

約数和(自身を含む): 29893248

約数和(自身を除く): 16581308

約数列:

[1, 2, 4, 5, 10, 20, 23, 43, 46, 86, 92, 115, 172, 215, 230, 430, 460, 673, 860, 989, 1346, 1978, 2692, 3365, 3956, 4945, 6730, 9890, 13460, 15479, 19780, 28939, 30958, 57878, 61916, 77395, 115756, 144695, 154790, 289390, 309580, 578780, 665597, 1331194, 2662388, 3327985, 6655970, 13311940]

約数ペア:

[(1, 13311940), (2, 6655970), (4, 3327985), (5, 2662388), (10, 1331194), (20, 665597), (23, 578780), (43, 309580), (46, 289390), (86, 154790), (92, 144695), (115, 115756), (172, 77395), (215, 61916), (230, 57878), (430, 30958), (460, 28939), (673, 19780), (860, 15479), (989, 13460), (1346, 9890), (1978, 6730), (2692, 4945), (3365, 3956)]