56536360

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{15881}}^1$

素因数の和:15981

約数の個数: 32

約数和(自身を含む): 128644200

約数和(自身を除く): 72107840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 445, 712, 890, 1780, 3560, 15881, 31762, 63524, 79405, 127048, 158810, 317620, 635240, 1413409, 2826818, 5653636, 7067045, 11307272, 14134090, 28268180, 56536360]

約数ペア:

[(1, 56536360), (2, 28268180), (4, 14134090), (5, 11307272), (8, 7067045), (10, 5653636), (20, 2826818), (40, 1413409), (89, 635240), (178, 317620), (356, 158810), (445, 127048), (712, 79405), (890, 63524), (1780, 31762), (3560, 15881)]