80713072

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{157}}^1$

素因数の和:326

約数の個数: 80

約数和(自身を含む): 180559872

約数和(自身を除く): 99846800

約数列:

[1, 2, 4, 8, 11, 16, 22, 23, 44, 46, 88, 92, 127, 157, 176, 184, 253, 254, 314, 368, 506, 508, 628, 1012, 1016, 1256, 1397, 1727, 2024, 2032, 2512, 2794, 2921, 3454, 3611, 4048, 5588, 5842, 6908, 7222, 11176, 11684, 13816, 14444, 19939, 22352, 23368, 27632, 28888, 32131, 39721, 39878, 46736, 57776, 64262, 79442, 79756, 128524, 158884, 159512, 219329, 257048, 317768, 319024, 438658, 458597, 514096, 635536, 877316, 917194, 1754632, 1834388, 3509264, 3668776, 5044567, 7337552, 10089134, 20178268, 40356536, 80713072]

約数ペア:

[(1, 80713072), (2, 40356536), (4, 20178268), (8, 10089134), (11, 7337552), (16, 5044567), (22, 3668776), (23, 3509264), (44, 1834388), (46, 1754632), (88, 917194), (92, 877316), (127, 635536), (157, 514096), (176, 458597), (184, 438658), (253, 319024), (254, 317768), (314, 257048), (368, 219329), (506, 159512), (508, 158884), (628, 128524), (1012, 79756), (1016, 79442), (1256, 64262), (1397, 57776), (1727, 46736), (2024, 39878), (2032, 39721), (2512, 32131), (2794, 28888), (2921, 27632), (3454, 23368), (3611, 22352), (4048, 19939), (5588, 14444), (5842, 13816), (6908, 11684), (7222, 11176)]