28592140

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{16063}}^1$

素因数の和:16161

約数の個数: 24

約数和(自身を含む): 60721920

約数和(自身を除く): 32129780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780, 16063, 32126, 64252, 80315, 160630, 321260, 1429607, 2859214, 5718428, 7148035, 14296070, 28592140]

約数ペア:

[(1, 28592140), (2, 14296070), (4, 7148035), (5, 5718428), (10, 2859214), (20, 1429607), (89, 321260), (178, 160630), (356, 80315), (445, 64252), (890, 32126), (1780, 16063)]