8162960

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{167}}^1$

素因数の和:240

約数の個数: 80

約数和(自身を含む): 20998656

約数和(自身を除く): 12835696

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 47, 52, 65, 80, 94, 104, 130, 167, 188, 208, 235, 260, 334, 376, 470, 520, 611, 668, 752, 835, 940, 1040, 1222, 1336, 1670, 1880, 2171, 2444, 2672, 3055, 3340, 3760, 4342, 4888, 6110, 6680, 7849, 8684, 9776, 10855, 12220, 13360, 15698, 17368, 21710, 24440, 31396, 34736, 39245, 43420, 48880, 62792, 78490, 86840, 102037, 125584, 156980, 173680, 204074, 313960, 408148, 510185, 627920, 816296, 1020370, 1632592, 2040740, 4081480, 8162960]

約数ペア:

[(1, 8162960), (2, 4081480), (4, 2040740), (5, 1632592), (8, 1020370), (10, 816296), (13, 627920), (16, 510185), (20, 408148), (26, 313960), (40, 204074), (47, 173680), (52, 156980), (65, 125584), (80, 102037), (94, 86840), (104, 78490), (130, 62792), (167, 48880), (188, 43420), (208, 39245), (235, 34736), (260, 31396), (334, 24440), (376, 21710), (470, 17368), (520, 15698), (611, 13360), (668, 12220), (752, 10855), (835, 9776), (940, 8684), (1040, 7849), (1222, 6680), (1336, 6110), (1670, 4888), (1880, 4342), (2171, 3760), (2444, 3340), (2672, 3055)]