64945660

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{439}}^1\times {\mathrm{569}}^1$

素因数の和:1030

約数の個数: 48

約数和(自身を含む): 147470400

約数和(自身を除く): 82524740

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 439, 569, 878, 1138, 1756, 2195, 2276, 2845, 4390, 5690, 5707, 7397, 8780, 11380, 11414, 14794, 22828, 28535, 29588, 36985, 57070, 73970, 114140, 147940, 249791, 499582, 999164, 1248955, 2497910, 3247283, 4995820, 6494566, 12989132, 16236415, 32472830, 64945660]

約数ペア:

[(1, 64945660), (2, 32472830), (4, 16236415), (5, 12989132), (10, 6494566), (13, 4995820), (20, 3247283), (26, 2497910), (52, 1248955), (65, 999164), (130, 499582), (260, 249791), (439, 147940), (569, 114140), (878, 73970), (1138, 57070), (1756, 36985), (2195, 29588), (2276, 28535), (2845, 22828), (4390, 14794), (5690, 11414), (5707, 11380), (7397, 8780)]