51335440

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^2\times {\mathrm{3797}}^1$

素因数の和:3836

約数の個数: 60

約数和(自身を含む): 129276324

約数和(自身を除く): 77940884

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 169, 208, 260, 338, 520, 676, 845, 1040, 1352, 1690, 2704, 3380, 3797, 6760, 7594, 13520, 15188, 18985, 30376, 37970, 49361, 60752, 75940, 98722, 151880, 197444, 246805, 303760, 394888, 493610, 641693, 789776, 987220, 1283386, 1974440, 2566772, 3208465, 3948880, 5133544, 6416930, 10267088, 12833860, 25667720, 51335440]

約数ペア:

[(1, 51335440), (2, 25667720), (4, 12833860), (5, 10267088), (8, 6416930), (10, 5133544), (13, 3948880), (16, 3208465), (20, 2566772), (26, 1974440), (40, 1283386), (52, 987220), (65, 789776), (80, 641693), (104, 493610), (130, 394888), (169, 303760), (208, 246805), (260, 197444), (338, 151880), (520, 98722), (676, 75940), (845, 60752), (1040, 49361), (1352, 37970), (1690, 30376), (2704, 18985), (3380, 15188), (3797, 13520), (6760, 7594)]