20140905320

素因数分解:

$2^3\times 5^1\times {\mathrm{107}}^1\times {\mathrm{181}}^1\times {\mathrm{25999}}^1$

素因数の和:26298

約数の個数: 64

約数和(自身を含む): 45995040000

約数和(自身を除く): 25854134680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 107, 181, 214, 362, 428, 535, 724, 856, 905, 1070, 1448, 1810, 2140, 3620, 4280, 7240, 19367, 25999, 38734, 51998, 77468, 96835, 103996, 129995, 154936, 193670, 207992, 259990, 387340, 519980, 774680, 1039960, 2781893, 4705819, 5563786, 9411638, 11127572, 13909465, 18823276, 22255144, 23529095, 27818930, 37646552, 47058190, 55637860, 94116380, 111275720, 188232760, 503522633, 1007045266, 2014090532, 2517613165, 4028181064, 5035226330, 10070452660, 20140905320]

約数ペア:

[(1, 20140905320), (2, 10070452660), (4, 5035226330), (5, 4028181064), (8, 2517613165), (10, 2014090532), (20, 1007045266), (40, 503522633), (107, 188232760), (181, 111275720), (214, 94116380), (362, 55637860), (428, 47058190), (535, 37646552), (724, 27818930), (856, 23529095), (905, 22255144), (1070, 18823276), (1448, 13909465), (1810, 11127572), (2140, 9411638), (3620, 5563786), (4280, 4705819), (7240, 2781893), (19367, 1039960), (25999, 774680), (38734, 519980), (51998, 387340), (77468, 259990), (96835, 207992), (103996, 193670), (129995, 154936)]