56387620

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{173}}^1\times {\mathrm{379}}^1$

素因数の和:604

約数の個数: 48

約数和(自身を含む): 122189760

約数和(自身を除く): 65802140

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 173, 215, 346, 379, 430, 692, 758, 860, 865, 1516, 1730, 1895, 3460, 3790, 7439, 7580, 14878, 16297, 29756, 32594, 37195, 65188, 65567, 74390, 81485, 131134, 148780, 162970, 262268, 325940, 327835, 655670, 1311340, 2819381, 5638762, 11277524, 14096905, 28193810, 56387620]

約数ペア:

[(1, 56387620), (2, 28193810), (4, 14096905), (5, 11277524), (10, 5638762), (20, 2819381), (43, 1311340), (86, 655670), (172, 327835), (173, 325940), (215, 262268), (346, 162970), (379, 148780), (430, 131134), (692, 81485), (758, 74390), (860, 65567), (865, 65188), (1516, 37195), (1730, 32594), (1895, 29756), (3460, 16297), (3790, 14878), (7439, 7580)]