28101140

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^2\times {\mathrm{313}}^1$

素因数の和:456

約数の個数: 36

約数和(自身を含む): 60097716

約数和(自身を除く): 31996576

約数列:

[1, 2, 4, 5, 10, 20, 67, 134, 268, 313, 335, 626, 670, 1252, 1340, 1565, 3130, 4489, 6260, 8978, 17956, 20971, 22445, 41942, 44890, 83884, 89780, 104855, 209710, 419420, 1405057, 2810114, 5620228, 7025285, 14050570, 28101140]

約数ペア:

[(1, 28101140), (2, 14050570), (4, 7025285), (5, 5620228), (10, 2810114), (20, 1405057), (67, 419420), (134, 209710), (268, 104855), (313, 89780), (335, 83884), (626, 44890), (670, 41942), (1252, 22445), (1340, 20971), (1565, 17956), (3130, 8978), (4489, 6260)]