4378993880

素因数分解:

$2^3\times 5^1\times {\mathrm{10321}}^1\times {\mathrm{10607}}^1$

素因数の和:20939

約数の個数: 32

約数和(自身を含む): 9854619840

約数和(自身を除く): 5475625960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 10321, 10607, 20642, 21214, 41284, 42428, 51605, 53035, 82568, 84856, 103210, 106070, 206420, 212140, 412840, 424280, 109474847, 218949694, 437899388, 547374235, 875798776, 1094748470, 2189496940, 4378993880]

約数ペア:

[(1, 4378993880), (2, 2189496940), (4, 1094748470), (5, 875798776), (8, 547374235), (10, 437899388), (20, 218949694), (40, 109474847), (10321, 424280), (10607, 412840), (20642, 212140), (21214, 206420), (41284, 106070), (42428, 103210), (51605, 84856), (53035, 82568)]