13786280

素因数分解:

$2^3\times 5^1\times {\mathrm{523}}^1\times {\mathrm{659}}^1$

素因数の和:1193

約数の個数: 32

約数和(自身を含む): 31125600

約数和(自身を除く): 17339320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 523, 659, 1046, 1318, 2092, 2615, 2636, 3295, 4184, 5230, 5272, 6590, 10460, 13180, 20920, 26360, 344657, 689314, 1378628, 1723285, 2757256, 3446570, 6893140, 13786280]

約数ペア:

[(1, 13786280), (2, 6893140), (4, 3446570), (5, 2757256), (8, 1723285), (10, 1378628), (20, 689314), (40, 344657), (523, 26360), (659, 20920), (1046, 13180), (1318, 10460), (2092, 6590), (2615, 5272), (2636, 5230), (3295, 4184)]