51036220

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{127}}^1\times {\mathrm{283}}^1$

素因数の和:490

約数の個数: 48

約数和(自身を含む): 109928448

約数和(自身を除く): 58892228

約数列:

[1, 2, 4, 5, 10, 20, 71, 127, 142, 254, 283, 284, 355, 508, 566, 635, 710, 1132, 1270, 1415, 1420, 2540, 2830, 5660, 9017, 18034, 20093, 35941, 36068, 40186, 45085, 71882, 80372, 90170, 100465, 143764, 179705, 180340, 200930, 359410, 401860, 718820, 2551811, 5103622, 10207244, 12759055, 25518110, 51036220]

約数ペア:

[(1, 51036220), (2, 25518110), (4, 12759055), (5, 10207244), (10, 5103622), (20, 2551811), (71, 718820), (127, 401860), (142, 359410), (254, 200930), (283, 180340), (284, 179705), (355, 143764), (508, 100465), (566, 90170), (635, 80372), (710, 71882), (1132, 45085), (1270, 40186), (1415, 36068), (1420, 35941), (2540, 20093), (2830, 18034), (5660, 9017)]