6471380

素因数分解:

$2^2\times 5^1\times {\mathrm{491}}^1\times {\mathrm{659}}^1$

素因数の和:1159

約数の個数: 24

約数和(自身を含む): 13638240

約数和(自身を除く): 7166860

約数列:

[1, 2, 4, 5, 10, 20, 491, 659, 982, 1318, 1964, 2455, 2636, 3295, 4910, 6590, 9820, 13180, 323569, 647138, 1294276, 1617845, 3235690, 6471380]

約数ペア:

[(1, 6471380), (2, 3235690), (4, 1617845), (5, 1294276), (10, 647138), (20, 323569), (491, 13180), (659, 9820), (982, 6590), (1318, 4910), (1964, 3295), (2455, 2636)]