156963992560

素因数分解:

$2^4\times 5^1\times {\mathrm{15881}}^1\times {\mathrm{123547}}^1$

素因数の和:139441

約数の個数: 40

約数和(自身を含む): 364967216496

約数和(自身を除く): 208003223936

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 15881, 31762, 63524, 79405, 123547, 127048, 158810, 247094, 254096, 317620, 494188, 617735, 635240, 988376, 1235470, 1270480, 1976752, 2470940, 4941880, 9883760, 1962049907, 3924099814, 7848199628, 9810249535, 15696399256, 19620499070, 31392798512, 39240998140, 78481996280, 156963992560]

約数ペア:

[(1, 156963992560), (2, 78481996280), (4, 39240998140), (5, 31392798512), (8, 19620499070), (10, 15696399256), (16, 9810249535), (20, 7848199628), (40, 3924099814), (80, 1962049907), (15881, 9883760), (31762, 4941880), (63524, 2470940), (79405, 1976752), (123547, 1270480), (127048, 1235470), (158810, 988376), (247094, 635240), (254096, 617735), (317620, 494188)]