71656540

素因数分解:

$2^2\times 5^1\times {\mathrm{491}}^1\times {\mathrm{7297}}^1$

素因数の和:7797

約数の個数: 24

約数和(自身を含む): 150805872

約数和(自身を除く): 79149332

約数列:

[1, 2, 4, 5, 10, 20, 491, 982, 1964, 2455, 4910, 7297, 9820, 14594, 29188, 36485, 72970, 145940, 3582827, 7165654, 14331308, 17914135, 35828270, 71656540]

約数ペア:

[(1, 71656540), (2, 35828270), (4, 17914135), (5, 14331308), (10, 7165654), (20, 3582827), (491, 145940), (982, 72970), (1964, 36485), (2455, 29188), (4910, 14594), (7297, 9820)]