16622920

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{7841}}^1$

素因数の和:7905

約数の個数: 32

約数和(自身を含む): 38112120

約数和(自身を除く): 21489200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 1060, 2120, 7841, 15682, 31364, 39205, 62728, 78410, 156820, 313640, 415573, 831146, 1662292, 2077865, 3324584, 4155730, 8311460, 16622920]

約数ペア:

[(1, 16622920), (2, 8311460), (4, 4155730), (5, 3324584), (8, 2077865), (10, 1662292), (20, 831146), (40, 415573), (53, 313640), (106, 156820), (212, 78410), (265, 62728), (424, 39205), (530, 31364), (1060, 15682), (2120, 7841)]