54387620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{388483}}^1$

素因数の和:388499

約数の個数: 24

約数和(自身を含む): 130530624

約数和(自身を除く): 76143004

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 388483, 776966, 1553932, 1942415, 2719381, 3884830, 5438762, 7769660, 10877524, 13596905, 27193810, 54387620]

約数ペア:

[(1, 54387620), (2, 27193810), (4, 13596905), (5, 10877524), (7, 7769660), (10, 5438762), (14, 3884830), (20, 2719381), (28, 1942415), (35, 1553932), (70, 776966), (140, 388483)]