18528080

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^2\times {\mathrm{241}}^1$

素因数の和:316

約数の個数: 60

約数和(自身を含む): 44696916

約数和(自身を除く): 26168836

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 241, 248, 310, 482, 496, 620, 961, 964, 1205, 1240, 1922, 1928, 2410, 2480, 3844, 3856, 4805, 4820, 7471, 7688, 9610, 9640, 14942, 15376, 19220, 19280, 29884, 37355, 38440, 59768, 74710, 76880, 119536, 149420, 231601, 298840, 463202, 597680, 926404, 1158005, 1852808, 2316010, 3705616, 4632020, 9264040, 18528080]

約数ペア:

[(1, 18528080), (2, 9264040), (4, 4632020), (5, 3705616), (8, 2316010), (10, 1852808), (16, 1158005), (20, 926404), (31, 597680), (40, 463202), (62, 298840), (80, 231601), (124, 149420), (155, 119536), (241, 76880), (248, 74710), (310, 59768), (482, 38440), (496, 37355), (620, 29884), (961, 19280), (964, 19220), (1205, 15376), (1240, 14942), (1922, 9640), (1928, 9610), (2410, 7688), (2480, 7471), (3844, 4820), (3856, 4805)]