6447880

素因数分解:

$2^3\times 5^1\times {\mathrm{331}}^1\times {\mathrm{487}}^1$

素因数の和:829

約数の個数: 32

約数和(自身を含む): 14581440

約数和(自身を除く): 8133560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 331, 487, 662, 974, 1324, 1655, 1948, 2435, 2648, 3310, 3896, 4870, 6620, 9740, 13240, 19480, 161197, 322394, 644788, 805985, 1289576, 1611970, 3223940, 6447880]

約数ペア:

[(1, 6447880), (2, 3223940), (4, 1611970), (5, 1289576), (8, 805985), (10, 644788), (20, 322394), (40, 161197), (331, 19480), (487, 13240), (662, 9740), (974, 6620), (1324, 4870), (1655, 3896), (1948, 3310), (2435, 2648)]