64420850

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{99109}}^1$

素因数の和:99134

約数の個数: 24

約数和(自身を含む): 129041220

約数和(自身を除く): 64620370

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 325, 650, 99109, 198218, 495545, 991090, 1288417, 2477725, 2576834, 4955450, 6442085, 12884170, 32210425, 64420850]

約数ペア:

[(1, 64420850), (2, 32210425), (5, 12884170), (10, 6442085), (13, 4955450), (25, 2576834), (26, 2477725), (50, 1288417), (65, 991090), (130, 495545), (325, 198218), (650, 99109)]