3813640

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{1423}}^1$

素因数の和:1501

約数の個数: 32

約数和(自身を含む): 8714880

約数和(自身を除く): 4901240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67, 134, 268, 335, 536, 670, 1340, 1423, 2680, 2846, 5692, 7115, 11384, 14230, 28460, 56920, 95341, 190682, 381364, 476705, 762728, 953410, 1906820, 3813640]

約数ペア:

[(1, 3813640), (2, 1906820), (4, 953410), (5, 762728), (8, 476705), (10, 381364), (20, 190682), (40, 95341), (67, 56920), (134, 28460), (268, 14230), (335, 11384), (536, 7115), (670, 5692), (1340, 2846), (1423, 2680)]