51224840

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{14389}}^1$

素因数の和:14489

約数の個数: 32

約数和(自身を含む): 116559000

約数和(自身を除く): 65334160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 445, 712, 890, 1780, 3560, 14389, 28778, 57556, 71945, 115112, 143890, 287780, 575560, 1280621, 2561242, 5122484, 6403105, 10244968, 12806210, 25612420, 51224840]

約数ペア:

[(1, 51224840), (2, 25612420), (4, 12806210), (5, 10244968), (8, 6403105), (10, 5122484), (20, 2561242), (40, 1280621), (89, 575560), (178, 287780), (356, 143890), (445, 115112), (712, 71945), (890, 57556), (1780, 28778), (3560, 14389)]