17807145680

素因数分解:

$2^4\times 5^1\times {\mathrm{47}}^1\times {\mathrm{113}}^1\times {\mathrm{41911}}^1$

素因数の和:42084

約数の個数: 80

約数和(自身を含む): 42657698304

約数和(自身を除く): 24850552624

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 47, 80, 94, 113, 188, 226, 235, 376, 452, 470, 565, 752, 904, 940, 1130, 1808, 1880, 2260, 3760, 4520, 5311, 9040, 10622, 21244, 26555, 41911, 42488, 53110, 83822, 84976, 106220, 167644, 209555, 212440, 335288, 419110, 424880, 670576, 838220, 1676440, 1969817, 3352880, 3939634, 4735943, 7879268, 9471886, 9849085, 15758536, 18943772, 19698170, 23679715, 31517072, 37887544, 39396340, 47359430, 75775088, 78792680, 94718860, 157585360, 189437720, 222589321, 378875440, 445178642, 890357284, 1112946605, 1780714568, 2225893210, 3561429136, 4451786420, 8903572840, 17807145680]

約数ペア:

[(1, 17807145680), (2, 8903572840), (4, 4451786420), (5, 3561429136), (8, 2225893210), (10, 1780714568), (16, 1112946605), (20, 890357284), (40, 445178642), (47, 378875440), (80, 222589321), (94, 189437720), (113, 157585360), (188, 94718860), (226, 78792680), (235, 75775088), (376, 47359430), (452, 39396340), (470, 37887544), (565, 31517072), (752, 23679715), (904, 19698170), (940, 18943772), (1130, 15758536), (1808, 9849085), (1880, 9471886), (2260, 7879268), (3760, 4735943), (4520, 3939634), (5311, 3352880), (9040, 1969817), (10622, 1676440), (21244, 838220), (26555, 670576), (41911, 424880), (42488, 419110), (53110, 335288), (83822, 212440), (84976, 209555), (106220, 167644)]