25656155

素因数分解:

$5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{157}}^1$

素因数の和:228

約数の個数: 48

約数和(自身を含む): 38905920

約数和(自身を除く): 13249765

約数列:

[1, 5, 7, 23, 29, 35, 49, 115, 145, 157, 161, 203, 245, 667, 785, 805, 1015, 1099, 1127, 1421, 3335, 3611, 4553, 4669, 5495, 5635, 7105, 7693, 18055, 22765, 23345, 25277, 31871, 32683, 38465, 104719, 126385, 159355, 163415, 176939, 223097, 523595, 733033, 884695, 1115485, 3665165, 5131231, 25656155]

約数ペア:

[(1, 25656155), (5, 5131231), (7, 3665165), (23, 1115485), (29, 884695), (35, 733033), (49, 523595), (115, 223097), (145, 176939), (157, 163415), (161, 159355), (203, 126385), (245, 104719), (667, 38465), (785, 32683), (805, 31871), (1015, 25277), (1099, 23345), (1127, 22765), (1421, 18055), (3335, 7693), (3611, 7105), (4553, 5635), (4669, 5495)]