11287580

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{7949}}^1$

素因数の和:8029

約数の個数: 24

約数和(自身を含む): 24040800

約数和(自身を除く): 12753220

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 7949, 15898, 31796, 39745, 79490, 158980, 564379, 1128758, 2257516, 2821895, 5643790, 11287580]

約数ペア:

[(1, 11287580), (2, 5643790), (4, 2821895), (5, 2257516), (10, 1128758), (20, 564379), (71, 158980), (142, 79490), (284, 39745), (355, 31796), (710, 15898), (1420, 7949)]