56251960

素因数分解:

$2^3\times 5^1\times {\mathrm{1091}}^1\times {\mathrm{1289}}^1$

素因数の和:2391

約数の個数: 32

約数和(自身を含む): 126781200

約数和(自身を除く): 70529240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1091, 1289, 2182, 2578, 4364, 5156, 5455, 6445, 8728, 10312, 10910, 12890, 21820, 25780, 43640, 51560, 1406299, 2812598, 5625196, 7031495, 11250392, 14062990, 28125980, 56251960]

約数ペア:

[(1, 56251960), (2, 28125980), (4, 14062990), (5, 11250392), (8, 7031495), (10, 5625196), (20, 2812598), (40, 1406299), (1091, 51560), (1289, 43640), (2182, 25780), (2578, 21820), (4364, 12890), (5156, 10910), (5455, 10312), (6445, 8728)]