7454420

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{5563}}^1$

素因数の和:5639

約数の個数: 24

約数和(自身を含む): 15890784

約数和(自身を除く): 8436364

約数列:

[1, 2, 4, 5, 10, 20, 67, 134, 268, 335, 670, 1340, 5563, 11126, 22252, 27815, 55630, 111260, 372721, 745442, 1490884, 1863605, 3727210, 7454420]

約数ペア:

[(1, 7454420), (2, 3727210), (4, 1863605), (5, 1490884), (10, 745442), (20, 372721), (67, 111260), (134, 55630), (268, 27815), (335, 22252), (670, 11126), (1340, 5563)]