13310840

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{3739}}^1$

素因数の和:3839

約数の個数: 32

約数和(自身を含む): 30294000

約数和(自身を除く): 16983160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 445, 712, 890, 1780, 3560, 3739, 7478, 14956, 18695, 29912, 37390, 74780, 149560, 332771, 665542, 1331084, 1663855, 2662168, 3327710, 6655420, 13310840]

約数ペア:

[(1, 13310840), (2, 6655420), (4, 3327710), (5, 2662168), (8, 1663855), (10, 1331084), (20, 665542), (40, 332771), (89, 149560), (178, 74780), (356, 37390), (445, 29912), (712, 18695), (890, 14956), (1780, 7478), (3560, 3739)]