16543640

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{6173}}^1$

素因数の和:6251

約数の個数: 32

約数和(自身を含む): 37784880

約数和(自身を除く): 21241240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67, 134, 268, 335, 536, 670, 1340, 2680, 6173, 12346, 24692, 30865, 49384, 61730, 123460, 246920, 413591, 827182, 1654364, 2067955, 3308728, 4135910, 8271820, 16543640]

約数ペア:

[(1, 16543640), (2, 8271820), (4, 4135910), (5, 3308728), (8, 2067955), (10, 1654364), (20, 827182), (40, 413591), (67, 246920), (134, 123460), (268, 61730), (335, 49384), (536, 30865), (670, 24692), (1340, 12346), (2680, 6173)]