2798130640

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{263}}^1\times {\mathrm{7823}}^1$

素因数の和:8116

約数の個数: 80

約数和(自身を含む): 6915414528

約数和(自身を除く): 4117283888

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 263, 272, 340, 526, 680, 1052, 1315, 1360, 2104, 2630, 4208, 4471, 5260, 7823, 8942, 10520, 15646, 17884, 21040, 22355, 31292, 35768, 39115, 44710, 62584, 71536, 78230, 89420, 125168, 132991, 156460, 178840, 265982, 312920, 357680, 531964, 625840, 664955, 1063928, 1329910, 2057449, 2127856, 2659820, 4114898, 5319640, 8229796, 10287245, 10639280, 16459592, 20574490, 32919184, 34976633, 41148980, 69953266, 82297960, 139906532, 164595920, 174883165, 279813064, 349766330, 559626128, 699532660, 1399065320, 2798130640]

約数ペア:

[(1, 2798130640), (2, 1399065320), (4, 699532660), (5, 559626128), (8, 349766330), (10, 279813064), (16, 174883165), (17, 164595920), (20, 139906532), (34, 82297960), (40, 69953266), (68, 41148980), (80, 34976633), (85, 32919184), (136, 20574490), (170, 16459592), (263, 10639280), (272, 10287245), (340, 8229796), (526, 5319640), (680, 4114898), (1052, 2659820), (1315, 2127856), (1360, 2057449), (2104, 1329910), (2630, 1063928), (4208, 664955), (4471, 625840), (5260, 531964), (7823, 357680), (8942, 312920), (10520, 265982), (15646, 178840), (17884, 156460), (21040, 132991), (22355, 125168), (31292, 89420), (35768, 78230), (39115, 71536), (44710, 62584)]