25222840

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{20341}}^1$

素因数の和:20383

約数の個数: 32

約数和(自身を含む): 58584960

約数和(自身を除く): 33362120

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 20341, 40682, 81364, 101705, 162728, 203410, 406820, 630571, 813640, 1261142, 2522284, 3152855, 5044568, 6305710, 12611420, 25222840]

約数ペア:

[(1, 25222840), (2, 12611420), (4, 6305710), (5, 5044568), (8, 3152855), (10, 2522284), (20, 1261142), (31, 813640), (40, 630571), (62, 406820), (124, 203410), (155, 162728), (248, 101705), (310, 81364), (620, 40682), (1240, 20341)]