16277720

素因数分解:

$2^3\times 5^1\times {\mathrm{373}}^1\times {\mathrm{1091}}^1$

素因数の和:1475

約数の個数: 32

約数和(自身を含む): 36756720

約数和(自身を除く): 20479000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 373, 746, 1091, 1492, 1865, 2182, 2984, 3730, 4364, 5455, 7460, 8728, 10910, 14920, 21820, 43640, 406943, 813886, 1627772, 2034715, 3255544, 4069430, 8138860, 16277720]

約数ペア:

[(1, 16277720), (2, 8138860), (4, 4069430), (5, 3255544), (8, 2034715), (10, 1627772), (20, 813886), (40, 406943), (373, 43640), (746, 21820), (1091, 14920), (1492, 10910), (1865, 8728), (2182, 7460), (2984, 5455), (3730, 4364)]