13453240

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{3779}}^1$

素因数の和:3879

約数の個数: 32

約数和(自身を含む): 30618000

約数和(自身を除く): 17164760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 445, 712, 890, 1780, 3560, 3779, 7558, 15116, 18895, 30232, 37790, 75580, 151160, 336331, 672662, 1345324, 1681655, 2690648, 3363310, 6726620, 13453240]

約数ペア:

[(1, 13453240), (2, 6726620), (4, 3363310), (5, 2690648), (8, 1681655), (10, 1345324), (20, 672662), (40, 336331), (89, 151160), (178, 75580), (356, 37790), (445, 30232), (712, 18895), (890, 15116), (1780, 7558), (3560, 3779)]