65154520

素因数分解:

$2^3\times 5^1\times {\mathrm{1091}}^1\times {\mathrm{1493}}^1$

素因数の和:2595

約数の個数: 32

約数和(自身を含む): 146830320

約数和(自身を除く): 81675800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1091, 1493, 2182, 2986, 4364, 5455, 5972, 7465, 8728, 10910, 11944, 14930, 21820, 29860, 43640, 59720, 1628863, 3257726, 6515452, 8144315, 13030904, 16288630, 32577260, 65154520]

約数ペア:

[(1, 65154520), (2, 32577260), (4, 16288630), (5, 13030904), (8, 8144315), (10, 6515452), (20, 3257726), (40, 1628863), (1091, 59720), (1493, 43640), (2182, 29860), (2986, 21820), (4364, 14930), (5455, 11944), (5972, 10910), (7465, 8728)]