64353820

素因数分解:

$2^2\times 5^1\times {\mathrm{503}}^1\times {\mathrm{6397}}^1$

素因数の和:6909

約数の個数: 24

約数和(自身を含む): 135432864

約数和(自身を除く): 71079044

約数列:

[1, 2, 4, 5, 10, 20, 503, 1006, 2012, 2515, 5030, 6397, 10060, 12794, 25588, 31985, 63970, 127940, 3217691, 6435382, 12870764, 16088455, 32176910, 64353820]

約数ペア:

[(1, 64353820), (2, 32176910), (4, 16088455), (5, 12870764), (10, 6435382), (20, 3217691), (503, 127940), (1006, 63970), (2012, 31985), (2515, 25588), (5030, 12794), (6397, 10060)]