220022240

素因数分解:

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

素因数の和:15555

約数の個数: 48

約数和(自身を含む): 525677040

約数和(自身を除く): 305654800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 89, 160, 178, 356, 445, 712, 890, 1424, 1780, 2848, 3560, 7120, 14240, 15451, 30902, 61804, 77255, 123608, 154510, 247216, 309020, 494432, 618040, 1236080, 1375139, 2472160, 2750278, 5500556, 6875695, 11001112, 13751390, 22002224, 27502780, 44004448, 55005560, 110011120, 220022240]

約数ペア:

[(1, 220022240), (2, 110011120), (4, 55005560), (5, 44004448), (8, 27502780), (10, 22002224), (16, 13751390), (20, 11001112), (32, 6875695), (40, 5500556), (80, 2750278), (89, 2472160), (160, 1375139), (178, 1236080), (356, 618040), (445, 494432), (712, 309020), (890, 247216), (1424, 154510), (1780, 123608), (2848, 77255), (3560, 61804), (7120, 30902), (14240, 15451)]