256092460

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{75767}}^1$

素因数の和:75802

約数の個数: 36

約数和(自身を含む): 582352848

約数和(自身を除く): 326260388

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 338, 676, 845, 1690, 3380, 75767, 151534, 303068, 378835, 757670, 984971, 1515340, 1969942, 3939884, 4924855, 9849710, 12804623, 19699420, 25609246, 51218492, 64023115, 128046230, 256092460]

約数ペア:

[(1, 256092460), (2, 128046230), (4, 64023115), (5, 51218492), (10, 25609246), (13, 19699420), (20, 12804623), (26, 9849710), (52, 4924855), (65, 3939884), (130, 1969942), (169, 1515340), (260, 984971), (338, 757670), (676, 378835), (845, 303068), (1690, 151534), (3380, 75767)]