80496502720

素因数分解:

$2^6\times 5^1\times {\mathrm{131}}^1\times {\mathrm{487}}^1\times {\mathrm{3943}}^1$

素因数の和:4578

約数の個数: 112

約数和(自身を含む): 193591208448

約数和(自身を除く): 113094705728

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 131, 160, 262, 320, 487, 524, 655, 974, 1048, 1310, 1948, 2096, 2435, 2620, 3896, 3943, 4192, 4870, 5240, 7792, 7886, 8384, 9740, 10480, 15584, 15772, 19480, 19715, 20960, 31168, 31544, 38960, 39430, 41920, 63088, 63797, 77920, 78860, 126176, 127594, 155840, 157720, 252352, 255188, 315440, 318985, 510376, 516533, 630880, 637970, 1020752, 1033066, 1261760, 1275940, 1920241, 2041504, 2066132, 2551880, 2582665, 3840482, 4083008, 4132264, 5103760, 5165330, 7680964, 8264528, 9601205, 10207520, 10330660, 15361928, 16529056, 19202410, 20415040, 20661320, 30723856, 33058112, 38404820, 41322640, 61447712, 76809640, 82645280, 122895424, 153619280, 165290560, 251551571, 307238560, 503103142, 614477120, 1006206284, 1257757855, 2012412568, 2515515710, 4024825136, 5031031420, 8049650272, 10062062840, 16099300544, 20124125680, 40248251360, 80496502720]

約数ペア:

[(1, 80496502720), (2, 40248251360), (4, 20124125680), (5, 16099300544), (8, 10062062840), (10, 8049650272), (16, 5031031420), (20, 4024825136), (32, 2515515710), (40, 2012412568), (64, 1257757855), (80, 1006206284), (131, 614477120), (160, 503103142), (262, 307238560), (320, 251551571), (487, 165290560), (524, 153619280), (655, 122895424), (974, 82645280), (1048, 76809640), (1310, 61447712), (1948, 41322640), (2096, 38404820), (2435, 33058112), (2620, 30723856), (3896, 20661320), (3943, 20415040), (4192, 19202410), (4870, 16529056), (5240, 15361928), (7792, 10330660), (7886, 10207520), (8384, 9601205), (9740, 8264528), (10480, 7680964), (15584, 5165330), (15772, 5103760), (19480, 4132264), (19715, 4083008), (20960, 3840482), (31168, 2582665), (31544, 2551880), (38960, 2066132), (39430, 2041504), (41920, 1920241), (63088, 1275940), (63797, 1261760), (77920, 1033066), (78860, 1020752), (126176, 637970), (127594, 630880), (155840, 516533), (157720, 510376), (252352, 318985), (255188, 315440)]