56253880

素因数分解:

$2^3\times 5^1\times {\mathrm{523}}^1\times {\mathrm{2689}}^1$

素因数の和:3223

約数の個数: 32

約数和(自身を含む): 126860400

約数和(自身を除く): 70606520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 523, 1046, 2092, 2615, 2689, 4184, 5230, 5378, 10460, 10756, 13445, 20920, 21512, 26890, 53780, 107560, 1406347, 2812694, 5625388, 7031735, 11250776, 14063470, 28126940, 56253880]

約数ペア:

[(1, 56253880), (2, 28126940), (4, 14063470), (5, 11250776), (8, 7031735), (10, 5625388), (20, 2812694), (40, 1406347), (523, 107560), (1046, 53780), (2092, 26890), (2615, 21512), (2689, 20920), (4184, 13445), (5230, 10756), (5378, 10460)]