25938160

素因数分解:

$2^4\times 5^1\times {\mathrm{89}}^1\times {\mathrm{3643}}^1$

素因数の和:3745

約数の個数: 40

約数和(自身を含む): 61000560

約数和(自身を除く): 35062400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 89, 178, 356, 445, 712, 890, 1424, 1780, 3560, 3643, 7120, 7286, 14572, 18215, 29144, 36430, 58288, 72860, 145720, 291440, 324227, 648454, 1296908, 1621135, 2593816, 3242270, 5187632, 6484540, 12969080, 25938160]

約数ペア:

[(1, 25938160), (2, 12969080), (4, 6484540), (5, 5187632), (8, 3242270), (10, 2593816), (16, 1621135), (20, 1296908), (40, 648454), (80, 324227), (89, 291440), (178, 145720), (356, 72860), (445, 58288), (712, 36430), (890, 29144), (1424, 18215), (1780, 14572), (3560, 7286), (3643, 7120)]