921569140880

素因数分解:

$2^4\times 5^1\times {\mathrm{11519614261}}^1$

素因数の和:11519614274

約数の個数: 20

約数和(自身を含む): 2142648252732

約数和(自身を除く): 1221079111852

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 11519614261, 23039228522, 46078457044, 57598071305, 92156914088, 115196142610, 184313828176, 230392285220, 460784570440, 921569140880]

約数ペア:

[(1, 921569140880), (2, 460784570440), (4, 230392285220), (5, 184313828176), (8, 115196142610), (10, 92156914088), (16, 57598071305), (20, 46078457044), (40, 23039228522), (80, 11519614261)]