22156880

素因数分解:

$2^4\times 5^1\times {\mathrm{276961}}^1$

素因数の和:276974

約数の個数: 20

約数和(自身を含む): 51514932

約数和(自身を除く): 29358052

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 276961, 553922, 1107844, 1384805, 2215688, 2769610, 4431376, 5539220, 11078440, 22156880]

約数ペア:

[(1, 22156880), (2, 11078440), (4, 5539220), (5, 4431376), (8, 2769610), (10, 2215688), (16, 1384805), (20, 1107844), (40, 553922), (80, 276961)]