18108250

素因数分解:

$2^1\times 5^3\times {\mathrm{113}}^1\times {\mathrm{641}}^1$

素因数の和:771

約数の個数: 32

約数和(自身を含む): 34251984

約数和(自身を除く): 16143734

約数列:

[1, 2, 5, 10, 25, 50, 113, 125, 226, 250, 565, 641, 1130, 1282, 2825, 3205, 5650, 6410, 14125, 16025, 28250, 32050, 72433, 80125, 144866, 160250, 362165, 724330, 1810825, 3621650, 9054125, 18108250]

約数ペア:

[(1, 18108250), (2, 9054125), (5, 3621650), (10, 1810825), (25, 724330), (50, 362165), (113, 160250), (125, 144866), (226, 80125), (250, 72433), (565, 32050), (641, 28250), (1130, 16025), (1282, 14125), (2825, 6410), (3205, 5650)]