51108940

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{887}}^1$

素因数の和:1006

約数の個数: 48

約数和(自身を含む): 111589632

約数和(自身を除く): 60480692

約数列:

[1, 2, 4, 5, 10, 20, 43, 67, 86, 134, 172, 215, 268, 335, 430, 670, 860, 887, 1340, 1774, 2881, 3548, 4435, 5762, 8870, 11524, 14405, 17740, 28810, 38141, 57620, 59429, 76282, 118858, 152564, 190705, 237716, 297145, 381410, 594290, 762820, 1188580, 2555447, 5110894, 10221788, 12777235, 25554470, 51108940]

約数ペア:

[(1, 51108940), (2, 25554470), (4, 12777235), (5, 10221788), (10, 5110894), (20, 2555447), (43, 1188580), (67, 762820), (86, 594290), (134, 381410), (172, 297145), (215, 237716), (268, 190705), (335, 152564), (430, 118858), (670, 76282), (860, 59429), (887, 57620), (1340, 38141), (1774, 28810), (2881, 17740), (3548, 14405), (4435, 11524), (5762, 8870)]