1731296240

素因数分解:

$2^4\times 5^1\times {\mathrm{21641203}}^1$

素因数の和:21641216

約数の個数: 20

約数和(自身を含む): 4025263944

約数和(自身を除く): 2293967704

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 21641203, 43282406, 86564812, 108206015, 173129624, 216412030, 346259248, 432824060, 865648120, 1731296240]

約数ペア:

[(1, 1731296240), (2, 865648120), (4, 432824060), (5, 346259248), (8, 216412030), (10, 173129624), (16, 108206015), (20, 86564812), (40, 43282406), (80, 21641203)]