7131760280

素因数分解:

$2^3\times 5^1\times {\mathrm{257}}^1\times {\mathrm{269}}^1\times {\mathrm{2579}}^1$

素因数の和:3116

約数の個数: 64

約数和(自身を含む): 16175052000

約数和(自身を除く): 9043291720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 257, 269, 514, 538, 1028, 1076, 1285, 1345, 2056, 2152, 2570, 2579, 2690, 5140, 5158, 5380, 10280, 10316, 10760, 12895, 20632, 25790, 51580, 69133, 103160, 138266, 276532, 345665, 553064, 662803, 691330, 693751, 1325606, 1382660, 1387502, 2651212, 2765320, 2775004, 3314015, 3468755, 5302424, 5550008, 6628030, 6937510, 13256060, 13875020, 26512120, 27750040, 178294007, 356588014, 713176028, 891470035, 1426352056, 1782940070, 3565880140, 7131760280]

約数ペア:

[(1, 7131760280), (2, 3565880140), (4, 1782940070), (5, 1426352056), (8, 891470035), (10, 713176028), (20, 356588014), (40, 178294007), (257, 27750040), (269, 26512120), (514, 13875020), (538, 13256060), (1028, 6937510), (1076, 6628030), (1285, 5550008), (1345, 5302424), (2056, 3468755), (2152, 3314015), (2570, 2775004), (2579, 2765320), (2690, 2651212), (5140, 1387502), (5158, 1382660), (5380, 1325606), (10280, 693751), (10316, 691330), (10760, 662803), (12895, 553064), (20632, 345665), (25790, 276532), (51580, 138266), (69133, 103160)]