74240140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{285539}}^1$

素因数の和:285561

約数の個数: 24

約数和(自身を含む): 167897520

約数和(自身を除く): 93657380

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 285539, 571078, 1142156, 1427695, 2855390, 3712007, 5710780, 7424014, 14848028, 18560035, 37120070, 74240140]

約数ペア:

[(1, 74240140), (2, 37120070), (4, 18560035), (5, 14848028), (10, 7424014), (13, 5710780), (20, 3712007), (26, 2855390), (52, 1427695), (65, 1142156), (130, 571078), (260, 285539)]