79820840

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{4903}}^1$

素因数の和:4962

約数の個数: 64

約数和(自身を含む): 201260160

約数和(自身を除く): 121439320

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 37, 40, 44, 55, 74, 88, 110, 148, 185, 220, 296, 370, 407, 440, 740, 814, 1480, 1628, 2035, 3256, 4070, 4903, 8140, 9806, 16280, 19612, 24515, 39224, 49030, 53933, 98060, 107866, 181411, 196120, 215732, 269665, 362822, 431464, 539330, 725644, 907055, 1078660, 1451288, 1814110, 1995521, 2157320, 3628220, 3991042, 7256440, 7982084, 9977605, 15964168, 19955210, 39910420, 79820840]

約数ペア:

[(1, 79820840), (2, 39910420), (4, 19955210), (5, 15964168), (8, 9977605), (10, 7982084), (11, 7256440), (20, 3991042), (22, 3628220), (37, 2157320), (40, 1995521), (44, 1814110), (55, 1451288), (74, 1078660), (88, 907055), (110, 725644), (148, 539330), (185, 431464), (220, 362822), (296, 269665), (370, 215732), (407, 196120), (440, 181411), (740, 107866), (814, 98060), (1480, 53933), (1628, 49030), (2035, 39224), (3256, 24515), (4070, 19612), (4903, 16280), (8140, 9806)]