1239018560

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{297841}}^1$

素因数の和:297871

約数の個数: 56

約数和(自身を含む): 3177378456

約数和(自身を除く): 1938359896

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 130, 160, 208, 260, 320, 416, 520, 832, 1040, 2080, 4160, 297841, 595682, 1191364, 1489205, 2382728, 2978410, 3871933, 4765456, 5956820, 7743866, 9530912, 11913640, 15487732, 19061824, 19359665, 23827280, 30975464, 38719330, 47654560, 61950928, 77438660, 95309120, 123901856, 154877320, 247803712, 309754640, 619509280, 1239018560]

約数ペア:

[(1, 1239018560), (2, 619509280), (4, 309754640), (5, 247803712), (8, 154877320), (10, 123901856), (13, 95309120), (16, 77438660), (20, 61950928), (26, 47654560), (32, 38719330), (40, 30975464), (52, 23827280), (64, 19359665), (65, 19061824), (80, 15487732), (104, 11913640), (130, 9530912), (160, 7743866), (208, 5956820), (260, 4765456), (320, 3871933), (416, 2978410), (520, 2382728), (832, 1489205), (1040, 1191364), (2080, 595682), (4160, 297841)]