55005560

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{15451}}^1$

素因数の和:15551

約数の個数: 32

約数和(自身を含む): 125161200

約数和(自身を除く): 70155640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 445, 712, 890, 1780, 3560, 15451, 30902, 61804, 77255, 123608, 154510, 309020, 618040, 1375139, 2750278, 5500556, 6875695, 11001112, 13751390, 27502780, 55005560]

約数ペア:

[(1, 55005560), (2, 27502780), (4, 13751390), (5, 11001112), (8, 6875695), (10, 5500556), (20, 2750278), (40, 1375139), (89, 618040), (178, 309020), (356, 154510), (445, 123608), (712, 77255), (890, 61804), (1780, 30902), (3560, 15451)]