25541945

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{257}}^1$

素因数の和:425

約数の個数: 32

約数和(自身を含む): 36408960

約数和(自身を除く): 10867015

約数列:

[1, 5, 11, 13, 55, 65, 139, 143, 257, 695, 715, 1285, 1529, 1807, 2827, 3341, 7645, 9035, 14135, 16705, 19877, 35723, 36751, 99385, 178615, 183755, 392953, 464399, 1964765, 2321995, 5108389, 25541945]

約数ペア:

[(1, 25541945), (5, 5108389), (11, 2321995), (13, 1964765), (55, 464399), (65, 392953), (139, 183755), (143, 178615), (257, 99385), (695, 36751), (715, 35723), (1285, 19877), (1529, 16705), (1807, 14135), (2827, 9035), (3341, 7645)]