25850890

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{6857}}^1$

素因数の和:6906

約数の個数: 32

約数和(自身を含む): 51846480

約数和(自身を除く): 25995590

約数列:

[1, 2, 5, 10, 13, 26, 29, 58, 65, 130, 145, 290, 377, 754, 1885, 3770, 6857, 13714, 34285, 68570, 89141, 178282, 198853, 397706, 445705, 891410, 994265, 1988530, 2585089, 5170178, 12925445, 25850890]

約数ペア:

[(1, 25850890), (2, 12925445), (5, 5170178), (10, 2585089), (13, 1988530), (26, 994265), (29, 891410), (58, 445705), (65, 397706), (130, 198853), (145, 178282), (290, 89141), (377, 68570), (754, 34285), (1885, 13714), (3770, 6857)]