25591060

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{1307}}^1$

素因数の和:1416

約数の個数: 48

約数和(自身を含む): 59330880

約数和(自身を除く): 33739820

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 89, 110, 178, 220, 356, 445, 890, 979, 1307, 1780, 1958, 2614, 3916, 4895, 5228, 6535, 9790, 13070, 14377, 19580, 26140, 28754, 57508, 71885, 116323, 143770, 232646, 287540, 465292, 581615, 1163230, 1279553, 2326460, 2559106, 5118212, 6397765, 12795530, 25591060]

約数ペア:

[(1, 25591060), (2, 12795530), (4, 6397765), (5, 5118212), (10, 2559106), (11, 2326460), (20, 1279553), (22, 1163230), (44, 581615), (55, 465292), (89, 287540), (110, 232646), (178, 143770), (220, 116323), (356, 71885), (445, 57508), (890, 28754), (979, 26140), (1307, 19580), (1780, 14377), (1958, 13070), (2614, 9790), (3916, 6535), (4895, 5228)]