28763240

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{65371}}^1$

素因数の和:65393

約数の個数: 32

約数和(自身を含む): 70601760

約数和(自身を除く): 41838520

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 65371, 130742, 261484, 326855, 522968, 653710, 719081, 1307420, 1438162, 2614840, 2876324, 3595405, 5752648, 7190810, 14381620, 28763240]

約数ペア:

[(1, 28763240), (2, 14381620), (4, 7190810), (5, 5752648), (8, 3595405), (10, 2876324), (11, 2614840), (20, 1438162), (22, 1307420), (40, 719081), (44, 653710), (55, 522968), (88, 326855), (110, 261484), (220, 130742), (440, 65371)]