13517440

素因数分解:

$2^7\times 5^1\times {\mathrm{21121}}^1$

素因数の和:21140

約数の個数: 32

約数和(自身を含む): 32316660

約数和(自身を除く): 18799220

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 21121, 42242, 84484, 105605, 168968, 211210, 337936, 422420, 675872, 844840, 1351744, 1689680, 2703488, 3379360, 6758720, 13517440]

約数ペア:

[(1, 13517440), (2, 6758720), (4, 3379360), (5, 2703488), (8, 1689680), (10, 1351744), (16, 844840), (20, 675872), (32, 422420), (40, 337936), (64, 211210), (80, 168968), (128, 105605), (160, 84484), (320, 42242), (640, 21121)]