89447240

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{54541}}^1$

素因数の和:54593

約数の個数: 32

約数和(自身を含む): 206168760

約数和(自身を除く): 116721520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 54541, 109082, 218164, 272705, 436328, 545410, 1090820, 2181640, 2236181, 4472362, 8944724, 11180905, 17889448, 22361810, 44723620, 89447240]

約数ペア:

[(1, 89447240), (2, 44723620), (4, 22361810), (5, 17889448), (8, 11180905), (10, 8944724), (20, 4472362), (40, 2236181), (41, 2181640), (82, 1090820), (164, 545410), (205, 436328), (328, 272705), (410, 218164), (820, 109082), (1640, 54541)]