8497840

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{8171}}^1$

素因数の和:8197

約数の個数: 40

約数和(自身を含む): 21279888

約数和(自身を除く): 12782048

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 8171, 16342, 32684, 40855, 65368, 81710, 106223, 130736, 163420, 212446, 326840, 424892, 531115, 653680, 849784, 1062230, 1699568, 2124460, 4248920, 8497840]

約数ペア:

[(1, 8497840), (2, 4248920), (4, 2124460), (5, 1699568), (8, 1062230), (10, 849784), (13, 653680), (16, 531115), (20, 424892), (26, 326840), (40, 212446), (52, 163420), (65, 130736), (80, 106223), (104, 81710), (130, 65368), (208, 40855), (260, 32684), (520, 16342), (1040, 8171)]