7225240

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{16421}}^1$

素因数の和:16443

約数の個数: 32

約数和(自身を含む): 17735760

約数和(自身を除く): 10510520

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 16421, 32842, 65684, 82105, 131368, 164210, 180631, 328420, 361262, 656840, 722524, 903155, 1445048, 1806310, 3612620, 7225240]

約数ペア:

[(1, 7225240), (2, 3612620), (4, 1806310), (5, 1445048), (8, 903155), (10, 722524), (11, 656840), (20, 361262), (22, 328420), (40, 180631), (44, 164210), (55, 131368), (88, 82105), (110, 65684), (220, 32842), (440, 16421)]